For everyone who has seen class cast exceptions during Berry411 startup, especially on the 8700 and 7100, thank you for your patience.
The latest beta build of Berry411 (version 3.02, released April 30th) has been verified to fix the problem for everyone I've talked to.
Follow this link for installation instructions:
http://thebogles.com/blog/2006/03/tr...k-integration/