Hey, I have an early 2008 Mac Pro and decided to upgrade it a bit instead of getting a toped out iMac (i save money a bit, and the 4 internal harddrives are quite necessary for my work). This is what I do with my machine: - Design... lots of Photoshop at print resolutions. - Photography... Aperture 3 mostly, and it hangs a bit here and there - Video Editing... don't really do anything too big on top of Color Grading. A bit of After Effects here and there. - A little gaming here and there, not much at all though. The machine is currently: - 2 x 2.8 quad-core - 14 Gb 800mhz ram - 256 SSD main drive - the stock NVIDIA GeForce 8800 GT 512MB card so now... i think the card is old and suffering a bit with age and I want to upgrade. I use 2 monitors, so as I understand, have 2 cards at 1gb doesn't actually equal 2gb. I only really use one monitor for most of the work, with the second to speed up workflow. On this thread, there seems to be a differing opinion as to which card is actually better. For my uses above... will i actually see ATI 5880 over the ATI 5770 gains? I dont care so much for the "loudness"... my card now gets really loud when playing on Steam as it is. Also, since i still DO have the original card (doubt there's much resale at this point)... is it compatible to use both cards, so i can have my primary on one, and the secondary on the other? Or is it just one or the other? I haven't been able to find any info on that. Finally... im thinking of getting the Thunderbolt Display.... i know the thunberbolt options won't work with the actual Mac Pro... but can the minidisplay still be linked and used just as a display to the thunderbolt. I dont really care to get the Cinema display as i do have a 2011 Macbook Pro and want to take advantage of that. Thanks for the help!