This is my setup at present My primary machine is an 11" MacBook Air. It's not massively powerful, sure, but its portability is most important to me. At my desk, MacBook plugs into a 27" thunderbolt display. I also have a 27" iMac whose sole function at present is to be a second monitor (via target display mode) to the MacBook and then I use it for Boot Camp to do gaming in Windows. There are some niggling drawbacks to this, mostly because the iMac has to be on and booted into OSX and it's sitting there unnecessarily running an entire operating system in the background while I use it as an expensive screen. What I'm planning on doing Getting rid of the iMac, replacing it with a second thunderbolt display in the process, and getting a Mac Pro to pick up the functionality I've lost by dropping the iMac. In this respect, the Mac Pro would be on when I need Windows (and I can just switch the thunderbolt display from being my MacBook's second screen to the Mac Pro's main one) and otherwise won't need to be running when I'm just on my laptop. I use Boot Camp on the portables and iMacs but I've never owned a Mac Pro and specifically given how much custom gear is involved in the construction of the new ones, I'm wondering if there's anything I should be afraid of before buying it as a really expensive desktop gaming machine. Any drawbacks or things I should have a heads up on specifically in terms of performance under Windows before I go ahead and buy it?