The MCS UK UC team blog has been re-launched and can be found at http://blogs.technet.com/b/msukucc/ after having been inactive for a while.
MCS UK also have a Twitter feed here : http://twitter.com/msukucc
In addition there is a Facebook page here : http://www.facebook.com/#!/pages/MCS-UK-Unified-Communications/246780032014150?sk=wall
Finally there is a LinkedIn group here : http://www.linkedin.com/groups/?gid=3994667
Technology Architect/Writer/MS Vendor
MCM: Exchange Server | MVP: Exchange Architecture