I really like my bike, its a Trek 4900 alpha
think we paid about $350ish for it, had it for 4 hard years and I've only had to replace the chain and the rear sprocket (chain got crusty from being outside on the bike rack 24/7 and that caused teeth on the back gears to get bent x_X)
mainly use it for flying around campus as fast as I can... its way fun
use it for riding to friends houses and sometimes bars to...
its definently fun to fly by all the guys stuck in traffic.
I've taken it to the grocery a couple times... but I go so rarely that I need more cargo space then the bike can provide...