Best Poker Sites lists Omaha Poker links concentrating on Omaha Poker

Omaha Poker Articles
The Poker Forum is a poker information source for poker players. Information on Texas Hold'em, Tournaments , Online Poker, Poker Theory, Poker Strategy, WSOP, Poker rooms
http://www.thepokerforum.com/omahaart.htm

Omaha Poker Hi-Lo
Omaha poker hi-lo.
http://www.ildado.com/omaha_poker.html

Casino Gaming
Like Texas Hold'em, Omaha poker follows a community card format. That is, players receive hole cards, but must create a hand using cards that are turned over in three segments.
http://www.casinogaming.com/tutorials/poker/omaha.html