As far as multiplayer goes, UBI's servers were never the place to play. Onkel Neal's other subsite, the Sub Club
http://subclub.info/wpl/ with it's Wolfpack League and Eagle Leage was the place to be. We had some great times there. These days they're doing SH3, and I'm not interested in co-op games, but there are still some interesting people who only hang out there.