diff --git a/backend/avision.desc b/backend/avision.desc
deleted file mode 100644
index d05e8a5d5..000000000
--- a/backend/avision.desc
+++ /dev/null
@@ -1,59 +0,0 @@
-; SANE Backend specification file
-;
-; It's basically emacs-lisp --- so ";" indicates comment to end of line.
-; All syntactic elements are keyword tokens, followed by a string or
-;  keyword argument, as specified.
-;
-; ":backend" *must* be specified.
-; All other information is optional (but what good is the file without it?).
-
-:backend "avision"             ; name of backend
-:version "0.3.1"               ; version of backend
-:status :beta                  ; :alpha, :beta, :stable, :new
-:url "http://drocklinux.dyndns.org/rene/avision/index.html" ; backend's web page
-
-:manpage "sane-avision"        ; name of manpage (if it exists)
-
-:devicetype :scanner
-
-:mfg "Avision" ; name a manufacturer
-:url "http://www.avision.com/"
-
-:model "AV 6240" ; name models for above-specified mfg.
-:interface "SCSI"
-:comment "1 pass, ??? DPI"
-:model "AV 630 CS"
-:interface "SCSI"
-:comment "1 pass, 600 DPI"
-:model "AV 620 CS"
-:interface "SCSI"
-:comment "1 pass, 600 DPI"
-
-:mfg "HP"
-:url "http://www.hp.com/"
-
-:model "HP 5300"
-:interface "USB"
-:comment "1 pass, 600 DPI"
-:model "HP 5370c"
-:interface "USB"
-:comment "1 pass, 600 DPI"
-:model "HP 7400"
-:interface "USB"
-:comment "1 pass, 1200 DPI"
-
-:mfg "MINOLTA"
-:url "http://www.minolta.com/"
-
-:model "FS-V1"
-:interface "USB"
-:comment "1 pass, 2820 DPI, film-scanner"
-
-:mfg "Mitsubishi"
-
-:model "MCA-S600C"
-:interface "SCSI
-
-:model "MCA-SS600"
-:interface "SCSI"
-
diff --git a/doc/descriptions/avision.desc b/doc/descriptions/avision.desc
index 1f1ff8c61..295701170 100644
--- a/doc/descriptions/avision.desc
+++ b/doc/descriptions/avision.desc
@@ -14,7 +14,7 @@
 :backend "avision"
 
 ; version of backend
-:version "Build: 201"
+:version "Build: 292"
 ;status: alpha, beta, stable, new
 ;:status :stable
 
@@ -51,7 +51,7 @@
 :interface "USB"
 :usbid "0x0638" "0x0a3c"
 :comment "sheetfed scanner"
-:status :untested
+:status :good
 
 :model "AV122"
 :interface "USB"
@@ -59,6 +59,12 @@
 :comment "sheetfed duplex scanner"
 :status :good
 
+:model "AV122 C2"
+:interface "USB"
+:usbid "0x0638" "0x0a93"
+:comment "sheetfed duplex scanner"
+:status :good
+
 :model "AV210"
 :interface "USB"
 :usbid "0x0638" "0x0a24"
@@ -77,6 +83,18 @@
 :comment "sheetfed scanner"
 :status :complete
 
+:model "AV210C2-G"
+:interface "USB"
+:usbid "0x0638" "0x0a2f"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "AV210C2"
+:interface "USB"
+:usbid "0x0638" "0x0a3a"
+:comment "sheetfed scanner"
+:status :complete
+
 :model "AV220"
 :interface "USB"
 :usbid "0x0638" "0x0a23"
@@ -89,10 +107,35 @@
 :comment "duplex! sheetfed scanner"
 :status :complete
 
-:model "AV220G"
+:model "AV220D2"
+:interface "USB"
+:usbid "0x0638" "0x0a2b"
+:comment "duplex! sheetfed scanner"
+:status :complete
+
+:model "AV220+"
+:interface "USB"
+:usbid "0x0638" "0x0a2c"
+:comment "duplex! sheetfed scanner"
+:status :complete
+
+:model "AV220C2-G"
+:interface "USB"
+:usbid "0x0638" "0x0a2d"
+:comment "duplex! sheetfed scanner"
+:status :complete
+
+:model "AV220C2-B"
+:interface "USB"
+:usbid "0x0638" "0x0a2e"
+:comment "duplex! sheetfed scanner"
+:status :complete
+
+:model "AV220-G"
 :interface "USB"
 :usbid "0x0638" "0x0a94"
-:status :untested
+:comment "duplex! sheetfed scanner"
+:status :complete
 
 :model "AV240SC"
 :interface "SCSI"
@@ -120,7 +163,17 @@
 
 :model "AV610"
 :interface "USB"
-:usbid "0x0638" "0x0a19"
+:usbid "0x0638" "0x0a18"
+:status :good
+
+:model "AV600U Plus"
+:interface "USB"
+:usbid "0x0638" "0x0a18"
+:status :good
+
+:model "AV610C2"
+:interface "USB"
+:usbid "0x0638" "0x0a5e"
 :status :good
 
 :model "AM3000 Series"
@@ -166,12 +219,6 @@
 :comment "1 pass, 600 dpi"
 :status :good
 
-:model "AV600U Plus"
-:interface "USB"
-:usbid "0x0638" "0x0a18"
-:comment "1 pass, ??? dpi"
-:status :untested
-
 :model "AV660S"
 :interface "SCSI"
 :comment "1 pass, ??? dpi"
@@ -215,7 +262,7 @@
 :model "AV830C"
 :interface "SCSI"
 :comment "1 pass, ??? dpi"
-:status :untested
+:status :complete
 
 :model "AV830C Plus"
 :interface "SCSI"
@@ -237,6 +284,24 @@
 :comment "1 pass, ??? dpi"
 :status :complete
 
+:model "AV3200SU"
+:interface "USB"
+:usbid "0x0638" "0x0a4e"
+:comment "1 pass, ??? dpi"
+:status :complete
+
+:model "AV3730SU"
+:interface "USB"
+:usbid "0x0638" "0x0a4f"
+:comment "1 pass, ??? dpi"
+:status :complete
+
+:model "AV3750SU"
+:interface "USB"
+:usbid "0x0638" "0x0a65"
+:comment "1 pass, ??? dpi"
+:status :complete
+
 :model "AV3800C"
 :interface "SCSI"
 :comment "1 pass, ??? dpi"
@@ -256,13 +321,26 @@
 :model "FB6080E"
 :interface "USB"
 :usbid "0x0638" "0x0a82"
+:comment "1 pass, 1200 dpi, A3 - duplex! - zero edge!"
 :status :complete
 
+:model "FB2080E"
+:interface "USB"
+:usbid "0x0638" "0xa84"
+:comment "1 pass, 600 dpi, zero-edge" ASIC 7
+:status :basic
+
 :model "AV8000S"
 :interface "SCSI"
 :comment "1 pass, 1200 dpi, A3 - regularly tested"
 :status :complete
 
+:model "AV8050U"
+:interface "USB"
+:usbid "0x0638" "0x0a4d"
+:comment "1 pass, 1200 dpi, A3 - duplex!"
+:status :complete
+
 :model "AV8300"
 :interface "USB"
 :usbid "0x0638" "0x0a40"
@@ -281,17 +359,22 @@
 :comment "1 pass, 1200 dpi, A3 - duplex!, LCD screen, paper sensors"
 :status :good
 
+:model "@V2500"
+:interface "USB"
+:usbid "0x0638" "0x0aa1"
+:status :untested
+
 :model "@V5100"
 :interface "USB"
 :usbid "0x0638" "0x0a45"
-:comment "1 pass, 1200 dpi, A3 - duplex!, LCD screen, paper sensors"
-:status :complete
+:status :good
 
 :model "AVA3"
 :interface "SCSI"
 :comment "1 pass, 600 dpi, A3"
 :status :basic
 
+
 :mfg "Hewlett-Packard"
 :url "http://www.hp.com"
 
@@ -337,12 +420,24 @@
 :comment "1 pass, 4800 (?) dpi - USB 2.0"
 :status :good
 
+:model "ScanJet 8270"
+:interface "USB"
+:usbid "0x03f0" "0x3905"
+:comment "1 pass, 4800 (?) dpi - USB 2.0"
+:status :good
+
 :model "ScanJet 8290"
 :interface "USB"
 :usbid "0x03f0" "0x0b01"
 :comment "1 pass, 4800 (?) dpi - USB 2.0 and SCSI - only SCSI tested so far"
 :status :good
 
+:model "ScanJet 8390"
+:interface "USB"
+:usbid "0x03f0" "0x3805"
+:comment "1 pass, 4800 (?) dpi - USB 2.0"
+:status :good
+
 
 :mfg "Minolta"
 :url "http://www.minolta.com"
@@ -351,6 +446,10 @@
 :interface "SCSI"
 :status :basic
 
+:model "Scan Multi Pro"
+:interface "SCSI"
+:status :untested
+
 :model "Dimage Scan Dual II"
 :interface "USB"
 :usbid "0x0638" "0x026a"
@@ -367,13 +466,13 @@
 :interface "USB"
 :usbid "0x0686" "0x400d"
 :comment "1 pass, film-scanner"
-:status :basic
+:status :good
 
 :model "Dimage Scan Elite 5400"
 :interface "USB"
 :usbid "0x0686" "0x400e"
 :comment "1 pass, film-scanner"
-:status :untested
+:status :good
 
 
 :mfg "Minolta-QMS"
@@ -447,21 +546,17 @@
 :interface "SCSI"
 :status :untested
 
-:model "fi-4010C"
+:model "fi-4010CU"
 :interface "USB"
 :usbid "0x04c5" "0x1029"
 :status :untested
 
-:model "fi-4110CU/SSF"
-:interface "USB"
-:usbid "0x04c5" "0x1033"
-:status :untested
-
 :model "fi-5015C"
 :interface "USB"
 :usbid "0x04c5" "0x10ef"
 :status :good
 
+
 :mfg "Kodak"
 :url "http://www.kodak.com"
 
@@ -480,15 +575,25 @@
 :usbid "0x040a" "0x6003"
 :status :untested
 
+:model "i55"
+:interface "USB"
+:usbid "0x040a" "0x6003"
+:status :untested
+
 :model "i60"
 :interface "USB"
 :usbid "0x040a" "0x6004"
 :status :untested
 
+:model "i65"
+:interface "USB"
+:usbid "0x040a" "0x6004"
+:status :untested
+
 :model "i80"
 :interface "USB"
 :usbid "0x040a" "0x6005"
-:status :untested
+:status :good
 
 
 :mfg "iVina"
@@ -499,23 +604,211 @@
 :status :untested
 
 
+:mfg "Visioneer"
+
+:model "Strobe XP 450"
+:interface "USB"
+:usbid "0x04a7" "0x0424"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "Strobe XP 450-G"
+:interface "USB"
+:usbid "0x04a7" "0x0491"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "Strobe XP 470"
+:interface "USB"
+:usbid "0x04a7" "0x0479"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "Strobe XP 470-G"
+:interface "USB"
+:usbid "0x04a7" "0x048f"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "9320"
+:interface "USB"
+:usbid "0x04a7" "0x0420"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "9450"
+:interface "USB"
+:usbid "0x04a7" "0x0421"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "9450-G"
+:interface "USB"
+:usbid "0x04a7" "0x047a"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "9550"
+:interface "USB"
+:usbid "0x04a7" "0x0422"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "9650"
+:interface "USB"
+:usbid "0x04a7" "0x0390"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "9650-G"
+:interface "USB"
+:usbid "0x04a7" "0x047b"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "9750"
+:interface "USB"
+:usbid "0x04a7" "0x0423"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "9750-G"
+:interface "USB"
+:usbid "0x04a7" "0x0493"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "Patriot 430"
+:interface "USB"
+:usbid "0x04a7" "0x0497"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "Patriot 470"
+:interface "USB"
+:usbid "0x04a7" "0x048f"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "Patriot 680"
+:interface "USB"
+:usbid "0x04a7" "0x0498"
+:comment "sheetfed scanner"
+:status :complete
+
+:model "Patriot 780"
+:interface "USB"
+:usbid "0x04a7" "0x0499"
+:comment "sheetfed scanner"
+:status :complete
+
+
 :mfg "Xerox"
 
+:model "DocuMate150"
+:interface "USB"
+:usbid "0x04a7" "0x049c"
+:status :good
+
+:model "DocuMate152"
+:interface "USB"
+:usbid "0x04a7" "0x0477"
+:status :good
+
+:model "DocuMate162"
+:interface "USB"
+:usbid "0x04a7" "0x049d"
+:status :good
+
+:model "DocuMate250"
+:interface "USB"
+:usbid "0x04a7" "0x0448"
+:status :good
+
+:model "DocuMate250-G"
+:interface "USB"
+:usbid "0x04a7" "0x0490"
+:status :good
+
 :model "DocuMate252"
 :interface "USB"
 :usbid "0x04a7" "0x0449"
-:status :untested
+:status :good
+
+:model "DocuMate252-G"
+:interface "USB"
+:usbid "0x04a7" "0x048c"
+:status :good
 
 :model "DocuMate262"
 :interface "USB"
 :usbid "0x04a7" "0x044c"
 :status :good
 
+:model "DocuMate262-G"
+:interface "USB"
+:usbid "0x04a7" "0x048d"
+:status :good
+
 :model "DocuMate272"
 :interface "USB"
 :usbid "0x04a7" "0x0475"
 :status :untested
 
+:model "DocuMate272-G"
+:interface "USB"
+:usbid "0x04a7" "0x048e"
+:status :untested
+
+:model "DocuMate510"
+:interface "USB"
+:usbid "0x04a7" "0x0446"
+:status :untested
+
+:model "DocuMate512"
+:interface "USB"
+:usbid "0x04a7" "0x0495"
+:status :untested
+
+:model "DocuMate510-G"
+:interface "USB"
+:usbid "0x04a7" "0x047c"
+:status :untested
+
+:model "DocuMate520"
+:interface "USB"
+:usbid "0x04a7" "0x0447"
+:status :untested
+
+:model "DocuMate520-G"
+:interface "USB"
+:usbid "0x04a7" "0x0492"
+:status :untested
+
+:model "DocuMate632"
+:interface "USB"
+:usbid "0x04a7" "0x0498"
+:status :untested
+
+:model "DocuMate752"
+:interface "USB"
+:usbid "0x04a7" "0x0478"
+:status :untested
+
+:model "DocuMate752"
+:interface "USB"
+:usbid "0x04a7" "0x049a"
+:status :untested
+
+
+:mfg "OKI"
+
+:model "S700 Scancopier"
+:interface "USB"
+:usbid "0x0638" "0x0a16"
+:comment "1 pass, 600 dpi, A4"
+:status :good
+
 
 :mfg "Bell+Howell"
 
@@ -524,3 +817,12 @@
 :comment "1 pass, ??? dpi, A4"
 :status :basic
 
+
+:mfg "Kyocera"
+
+:model "FS-1016MFP"
+:interface "USB"
+:usbid "0x0482" "0x0335"
+:comment "1 pass, ??? dpi, A4"
+:status :untested
+