If you use MotioninJoy to connect Playstation 3 controllers to your computer as gamepads, then you are probably well aware that the configuration utility is far from pretty or user-friendly. I just finished rewriting the UI to not suck. Check it out at the link below, then come back here to tell me all the things I broke so I can fix them.
MotioninJoy UIRewritten, offline UI for the Playstation 3 gamepad tool, MotioninJoy