hey, i know you. but from EDMP, lunar and various other forums around atlanta as well as my own forum (the alabama scene site).
the only shortcuts i know of are the ones listed in the manual though:
ON THE HOME SCREEN
Return to Home screen from any other screen --> Press End
Lock the keyboard --> Hold (*) or click Keyboard Lock
Unlock the keyboard --> Press Send + (*) or double click Trackwheel
Switch between Default and Vibrate notification profiles --> Hold #
Switch to another application --> Hold Alt. Press Escape. Continue to hold Alt. Select application. Release Alt to switch to that application