DMOZ: Poker
This is the internet's oldest and must respected web directory. Dmoz has strict guidelines on what sites can be listed and only the highest quality poker sites make it in.

Online Casino
OnlineCasino.net provides information on casino games including startegies and how to play for blackjack, slots, craps, and video poker.

Yahoo! Card Games
Yahoo has some excellent free online poker games including Texas Holdem, and a number of other fun card games like spades, canasta, solitaire and many more.