Hi, I am contemplating purchasing a used 2008 Mac Pro, 3.1. The machine has dual 2.8 quad core processors, 10 gb ram, upgraded video card to 1gb, (2012 model - ATI Radeon HD 5770). Only comes with 160gb HD, I have to basically get my own drives. Also has a Blue Ray Drive. He is also offering for extra 2 23" cinema displays. He wants 1500, plus 150 per monitor. Now of course I will try to negotiate. My dilemma is, It looks like I can get a nice 2011 27" iMac for 1100-1500 range, and I would have everything I need, plus it would be a newer machine. My thought is, even the older 2008 Mac Pro will out last the 2011 27" imac and be more reliable in the sense that if something breaks I can much easier just swap out parts. Now I don't do any video editing, my 2007 24" Aluminum iMac is maxed out at 2.8 gz and 4gb RAM, and I just had a baby. My most intesive work is Aperture. While it works, I can see it's starting to slow down a bit. I also run a virtual Machine for my wife so she can do her work on IE. Anyhow, I doubt I would take advantage of the power of the Mac Pro, it will last longer and still be able to keep moving FAST, where the 27" iMac will run out of power\upgradability before this one.... ( I think so, or am I wrong) For day to day processing is a newer i7 faster than older Quad Core Xeon Processors? Thanks!