Here are some listing of sites to help you handicap sports.
Covers
Very good resource site. Live odds, match up comparison, trends, large forum community, and service picks. Owned by Sports Direct Inc. with core business in providing sports data to publishers.
Wagerline
Another Sports Direct owned site. Great contests and able to keep track of office/group pools. Love the consensus and team expert picks
Statfox
This is a must visit site if your serious about your game
Pregame
This site is gaining attention by main stream media and it has long catered to Pro Handicappers
Professional Gambler
Chronicles a Pro Handicappers plays and also provides free picks
Major Wager
Good community site and informative industry news
Cappersmall
Good resource site. Forum offers contests
Procappers
For pay service site with multiple cappers offering insight. some good read
sports book review
Must visit site before opening a offshore book. If your doing research into sports books this is a good start
Betters World
Resource site with good community forum