beta is more appropriate than alpha. 3.0 is in a workable state, though tests are failing.

docs/changelog.rst

@@ -1,7 +1,7 @@
 Changelog
 =========
 
-3.0a1 (2012-02-24)
+3.0b1 (2012-02-24)
 ------------------
 
 * Add API for proper Timezone support. Allow creating ical DATE-TIME strings

setup.py

@@ -1,7 +1,7 @@
 import os
 import setuptools
 
-version = '3.0a1'
+version = '3.0b1'
 
 setuptools.setup(
     name='icalendar',