I noticed this release over at the google page yesterday but alas no info on whats new or anything, heres the details for those who dont know what the emulator is

Hu-Go! GC is a PC Engine / TurboGrafx-16 emulator, now ported to the Nintendo Gamecube/ Wii. Using this emulator you'll be able to enjoy the first 16-bit gaming experience all over again!

--Features ---------------------------------------------------------------

Completely Re-Written Sound Engine
16-bit Stereo 32Khz Sound
Load ROMS up to 2.5Mb
Battery RAM (WRAM) support (save & load)
DVD ROM Loading (GC version only, up to 4.7GB support for Wii users)
SDCARD ROM Loading (with subdirectory support)
Zipped Roms Support (Single ROM per archive)
ISO/BIN support (no sound)
Save & Load WRAM files to/from Memory Card & SDCARD
Horizontal Resolutions up to 320
Wiimote/Nunchuk/Classic controller support (Wii only)
SMB Support (Wii only)