jbshorty: the problem about installing/using bootcamp on Mac or any virtualization solution like VMware or Parallels, is that you must install windows and own a windows licence to do that. Then, it's no more the same price at the end for the customer (MoI+Windows). And if I'm not wrong, the low end version of Vista are not compatible (from a license point of view) with the virtualization.

About the Mac release itself, a native release is always better, especially on graphic software like MoI. I also understand the Michael point of view. The development of Amapi on Mac was always a problem and was big "time eater" (Yes, I was from the Amapi Dev team). Even if the mac userbase is growing very fast, Michael will have more customers on PC and since he is alone, it's better for him to focus on one development.