I have an early 2008 Mac Pro 3,1. I'm running a 30" Dell @ 2560x1600 and a 24" 1920x1200 monitor. Both are DVI. I'm finding (unsurprisingly) that my HD 2600 XT isn't up to the task of running both these monitors. I don't game, but I tend to run 1 or 2 Windows VMs in VMWare Fusion, as well as for fun wanting to use Google Earth, Aperture, and other programs like that. I imagine that the 5770 would be fine for all these tasks, but my question is, is it up to driving both a 2560x1600 and a 1920x1200 screen adequately without struggling? I'd prefer to save $200, but I also want to be happy with what I buy. This is my main workstation and development server and I spend pretty much all day in front of it. I'm also considering a flashed Radeon 6870, but I want things to "just work" so maybe I'm better off spending the $100 or so more for the Apple-approved 5870 option. OTOH the 6870 does come with 2GB of RAM...hmm... Thanks, - Andrew.