Hey guys, i wondering today because i have a problem with the performance of Unity on Mac OS. I created a scene on a windows platform and everything works fine no laggs, constant framerate. But on the Mac platform it is unplayable it runs with 1 frame per second. i tried it on several Mac systems. They got all the same problem. 1Frame per second. works only on Windows while running Bootcamp fine. It cannot depend on the hardware because it is the same system. It must be a software problem. But i don’t know what it could be i got MacOS 10.6.5 Greetings 
See here: http://forum.unity3d.com/threads/67773-Really-bad-performance-on-high-end-machines… (in particular the second page)
–Eric