Thanks for great theme.
Use with Buddypress appears to be almost faultless when @mercime's instructions at http://buddypress.org/community/groups/how-to-and-troubleshooting/forum/topic/making-mantra-theme-buddypress-compatible/are followed.
Have experienced just one tiny hiccup.
Clicking Newest Active or Popular in the Groups Widget triggers a page refresh instead of in situ reorganization. Ajax does not appear to be working ??
Just thought I'd let you know.Perhaps it can included in the next update ?