Tantric has released FCE Ultra GX 3.0.4, Nes Emulator for Wii and Gamecube:

FCE Ultra GX is a modified port of the FCE Ultra 0.98.12 Nintendo Entertainment
system for x86 (Windows/Linux) PC's. With it you can play NES games on your
Wii/GameCube.

-=[ Features ]=-

* Wiimote, Nunchuk, Classic, and Gamecube controller support
* iNES, FDS, VS, UNIF, and NSF ROM support
* 1-4 Player Support
* Zapper support
* Auto Load/Save Game States and RAM
* Custom controller configurations
* SD, USB, DVD (requires DVDx), SMB, GC Memory Card, Zip, and 7z support
* Custom controller configurations
* 16:9 widescreen support
* Original/filtered/unfiltered video modes
* Turbo Mode - up to 2x the normal speed
* Zoom option to zoom in/out
* NES Compatibility Based on v0.98.12
* Open Source!

[3.0.4 - May 30, 2009]

* Fixed SD/USB corruption bug
* SMB works again
* GUI bugs fixed, GUI behavioral improvements

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