In order of most regularly played multi player (not at uni):

MW2
EVE
Zero Hour / Shockwave
Hidden

Ive been playing a fair bit of MW2 with chaz, DE, DP, and oric

Been playing zero hour with EZ64 and Freddie, and will when chirs is back with him.

If we orgainse gaming night of some kind im up for other things.

Put a load of updates on teh hidden server a few weeks ago, we still haven't really tried them out.