@Joanna:
The box itself states that it's compatible with:
Amiga68k, AmigaPPC (WarpOS), MorphOS and Amithlon.
I would be happy with 640x480 resolution actually, but if the graphics are just scalled up 320x240 graphics that look just as blocky, well, what's the point?
Hmm... I guess I"ll play more with the settings once I get the chance.