I have the ATI HD 5770 on Windows-7 64-bit with Poser Pro 2010 - works perfectly. And that card is an absolute screamer for every game I've played - even MS Flight Simulator X set to every possible nutty extreme quality setting runs very fast.

You can't blame ATI for a problem with the old Poser Pro written 3 years ago.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)