Sports Interactive is a sports betting web site that is completely free. You start out betting a few games with small wagers, but as you gain experience for using different features on the web site, you can raise the numbers and amounts of wagers. There aren't any prizes for placing good wagers, but the experience system and bragging rights are enough to keep you coming back for more. They also support sports news stories, a big forums, surveys, and blogs. This is a great place to have some fun and get ready for your next trip to Las Vegas.
