I have a Jamis Commuter 3.0. It is a great bike! It has an 8 speed internal hub, fenders, built in suspension seat post and fits the commuter role rather well. I also added a light, rack and a Perfomance Metro pannier bag. It was $535 U.S.
http://tinyurl.com/24qvjp
Good luck on your search! Isn't this fun?