Yep Im looking forward to a mac build too.
I tried running it on my pc laptop but dont have enough vram. Theres close to half a dozen Unity game engine users here so far, hanging around like drunks in the park, and we'll be making quite a noise about it on the unity forum once the OSX build ships...But hopefully the price increase isnt too hefty, just because apple likes making us pay through the nose, doesnt mean we like it. I just upgraded from my g4 because it fell apart, now I have a $300 Imac with lines down the lcd, Id go back to pc but unfortunately Unity and Cheetah3d are mac only. And yeah 3dcoat is an option because of the price of zbrush
Good luck with it Andrew, Diana, and other developers.
AaronC