I've giving you two stars and not one, Arabica, because I really want to like you!
The fact that they don't take credit cards is a pain. The food is pretty good, but overpriced, I think. The coffee is good as far as coffee goes. Before the smoking ban, the upstairs smoking study room was where I lived. It's a nice place to hang out and/or study.
However, and this was years ago, one of the staff told my friend "F--- you!" when she asked if they could turn down the unnecessarily loud music. When we complained to the manager, she just stood there and smiled meekly when the staff member continued to give us attitude and generally berate us for being there.