FogBugz - Why FogBugz Works

FogBugz - Why FogBugz Works

The arguments in favor of fogbugz are pretty simple. Basically, it boils down to the claim that the fogbugz application is simple, and that professional developers naturally use any application that is simple. Not very insightful.

On the positive side, the UI is clean and their seems to be an integration with popular version control systems.