Visual Boy Advance GX is a Game Boy Advance / Game Boy emulator for Wii and GameCube based on VBA-M.

Changes:

[2.1.2 – December 23, 2009]
* Numerous core optimizations (thanks dancinninjac!)
* File browser now scrolls down to the last game when returning to browser
* Auto update for those using USB now works
* Fixed scrollbar up/down buttons
* Minor optimizations

http://code.google.com/p/vba-wii/