I picked up one of these for the winter:
[VIDEO]http://www.amazon.com/Kinetic-Kurt-Machine-Bicycle-Trainer/dp/B000BNCA0Y]Amazon.com: Kinetic by Kurt Road Machine Indoor Bicycle Trainer: Sports & Outdoors[/VIDEO]
Gave it a quick 15 minute spin, and holy shit do you sweat your ass off when you don't have a headwind. Thing is pretty ace though, feels realistic as hell going through the gears and doesn't make much noise at all.
Get a fan and stick it in front of you.