FCE Ultra GX is a modified port of FCE Ultra. The GUI is powered by libwiigui.

Features:

Wiimote, Nunchuk, Classic, and Gamecube controller support
iNES, FDS, VS, UNIF, and NSF ROM support
1-4 Player support
Zapper support
RAM / State saving support
Custom controller configurations
SD, USB, DVD, SMB, Zip, and 7z support
Cheat support (.CHT files)
IPS/UPS/PPF automatic patching support
NES Compatibility Based on FCEUX 2.1.3
Getting Started

Changes:

3.2.2 – August 14, 2010
* IOS 202 support removed
* USB 2.0 support via IOS 58 added – requires that IOS58 be pre-installed
* DVD support via AHBPROT – requires latest HBC

Free and legal NES roms to try with this emulator can be downloaded from here: http://www.pdroms.de/files/nes/

http://code.google.com/p/fceugc/