For people who ran macs on Instant Action, they had Intel macs. The best thing about intel macs as far as this stuff goes is that you can run both windows and mac OS on the same computer. However, unlike snow leopard, windows 7 is still $120, so for somebody like me, I'd be paying that much to play legions. If I take a compsci class or something like that I can get it from my school for $5 which is a heck of a deal, but that's the best way to circumvent the issue of mac compatibility. As stated in the FAQs, there is no ETA for mac support, so as much as I would like to do this, I'm not going to start bothering until after the second release.