Poker Rooms

FULL TILT POKER - In my opinion one of the best poker sites online. Software available for Mac.
POKER ROOM - Nice site where you can also play on a Mac.
24H POKER - Online poker room with loads of features.
ULTIMATE BET - Very good site for playing online poker.
PARTY POKER - One of the more famous and bigger poker sites online.
ABSOLUTE POKER - Play poker online at absolute poker.
EURO POKER - Euro based poker room.
PACIFIC POKER - Huge poker site with thousands of online players.
PARADISE POKER -  Established poker site with lots of online players.
CARBON POKER - I know quite a few players there, and they're all happy with it.