I've decided to stop being an altoholic and start gearing up a main character and spending money in the RMAH on it. But I am having trouble selecting which one I play.

I currently have played my Wizard up to level 55 and it's fairly fun, but I don't hear a lot about how Wizards fair in Inferno. Demon Hunters seem to be the FotM class at the moment, but with the upcoming nerf to Glass Cannon builds and their reliance on low latency I don't know how well they will go in the future. Barbarians and Monks seem to have a general trend that they're not even worth playing after Act I Inferno, others say that they are perfectly fine and just require that they are geared properly. Witch Doctors I hear nothing about, do people even play them?

I'm not looking for "this class is the best because I say" replies, I'd like to know what class you think I should play with some reasons, is it easy to play, is there a specific mechanic you find fun, etc.