Trails out here are great. What kind of stuff are you into? If you like freeride, and even if you don't, you have to stop by Black Rock. It's amazing, just watch this: http://www.pinkbike.com/video/15798/

Just to give you a general idea of what trails look like, watch this: http://www.pinkbike.com/video/4219/

Post canyon ( http://www.pinkbike.com/video/search/?q=post+canyon ) and Syncline ( http://www.pinkbike.com/video/search/?q=syncline ) are two other places that you should look into.

If you have any other questions, feel free to ask. You should definitely make the trip out here.