Feeware utility for Alt-Tab called Phmkeys
see discussions here
http://www.aximsite.com/boards/showthread.php?t=120824

Download here
http://www.gpspassion.com/upload/PHMKeys.exe

There is another one here called TaskSwitch
http://page.freett.com/todamitsu/TaskSwitch.htm

nice.. was looking for something like this.. because i used to have it on spb pocket plus.. but not using it le.. hahaha


THANKS!