While we currently don’t have a subscription to WPMU DEV, we are definitely thinking of purchasing one. The plugins and themes we would like to use are:
Plugins
Ning To BuddyPress User Importer
Content Monitor
Blogs Directory
Mass Email Sender
Recent Global Posts Widget
Communities
Easy Blogging
Easy Blogging Wizard
Themes:
Any BuddyPress theme
WPMU Dixi
WPMU Triden