Xport has updated his Atari 7800 emulator for the Xbox, heres whats new:
Selectable palette: MESS-NTSC, MESS-PAL, New stella NTSC, Old stella NTSC, Z26 NTSC
New UI feature: Garbage Directory
Press "BACK" on the game selection menu to move games you don't like into a garbage directory. The default for this is E:SAVES[EMULATORNAME]GARBAGE. You can change this location by going to Configuration -] Change Default Directories