Having just tried res on my new dual core shuttle and still getting ticks in the output, I'd like a toggle in the prefs for play every frame/keep loops in time.
Res2 beta1 played without any glitches, then you introduced the keep loops in time after which res glitches, I tend to use vvvv for most projects now, its has a number of advantages, but for some gigs resolume is prefrable except for the glitches. I've tried 400x300 but after using full pal for so long it looks horrible, I know its possible, you already did it, then broke it again!
Cheers
Cat