CardsChat Poker Odd Calculator: www.cardschat.com/poker-odds-calculator.php
Various Poker Odds: http://www.cardschat.com/showthread.php?t=69737
Here are a couple site links to get you started. Use the search feature to find more info.
Here are some articles that you can find on the Articles tab above:
This should all be a good start for you. After that, pick up Dan Harrington's books (I'd suggest getting all three eventually, but just start with volume 1 for now.) There will be some great strategy in there that will greatly help your game.