Here are some key links for word games
The Official Scrabble site: Scrabble
TV word games (UK) such as Countdown
Scrabble magazine: Onwords
Countdown related: The Countdown Page
Dictionaries: Chambers, Collins, Concise Oxford English and Websters
Word Game references: askOxford
Crossword resources: Crossword-Puzzles
Other word game resources: Puzzler