2009 + Creative extensions comes with ProOptimize (formerly a plug-in called polycruncher) which preserves UV's. The creative extensions where free to those on subscription. It was rolled into later releases of 3dsmax also. Polycruncher wasn't free but I think there was a trial available.
I'd give my left nut for an optimizer that works on visible edges and quads rather than at the triangle level...
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Or there's the Multires modifier, that should preserve UVs, it's in Max as standard...
maybe that could be, what youre looking for:
http://www.atangeo.com/
just considering i understood what you described rather vague
I'd give my left nut for an optimizer that works on visible edges and quads rather than at the triangle level...