> Writing a 100% cycle accurate c64 emulator is a bit pointless, you might as well
> just port vice. Some of the nastiest tricks you can do on the c64 are used by a
> couple of demos that were written after the c64 died.
>
> An emulator good enough for most games is probably worth doing for pocket pc or
> a gp32, although I'd be more interested in modding a c64dtv into a handheld
> case.

You will need cycle-accurate emulation or very nearly so for some games, and pocket PC should be fast enough given you don't try to go all-out with SID emulation.