CentOS - Nov 2007 - recommendation for rpm packaged forum/bb software for centos 5?

Subject says it all- has anyone got any recommendations for
rpm-packaged forum/bb software for CentOS 5 -  preferrably from a repo
like rpmforge or similar so it will get updates as they come through?
Yes, I can install phpBB et al from scratch but I with 'yum update' it
is harder for me to miss updates :-)

-- 
Cheers,

Tony