Apart from the entertainment supplied by the other passengers, your only flight equipped for entertainment is IAH-SLC. Probably a movie. Too early at this point to know which one but check here closer to flight time:
http://www.continental.com/travel/in...ms/default.asp
Check in online to get a coupon good for a free headset. Better yet, take your own headset, as the ones they sell on the plane are almost worthless.