I have the same problem as KyReb and have an open ticket about it at SM. I suggest you do the same.

Quote - I don't think the developers can do anything about it as it's down to the ATI cards & their dodgy drivers.

Now about the dodgy drivers...I wonder why my Maya, Max or Vue doesn't have any problems.
Those being 64bit apps also.

Poser Pro (the previous one) doesn't have any problems with Ati and opengl nor has silo. Though those are 32bit applications.

How on earth have those developers managed to do it with the dodgy drivers?

Or maybe they're just not using opengl at all :/
Vue is using for sure.