The Mac system crash with Radeon 9000 graphics have been fixed in a Mac OS 10.2.5 prerelease (build 6L14). The Chimera surface/mesh rendering benchmark scores for the Radeon 9000 were the second highest measured, beat only by the Mac GeForce 4 Ti. I tried rotating large models by hand to check that the benchmark utility is not being fooled. They are correct. As I mentioned before, CPU bound tasks like computing surfaces are significantly slower on the Mac than on x86 hardware. Tom