I've been using my mac pro since early 2006. I've been editing standard def dv until recently. I'm now working with AVCHD footage and have noticed a huge difference in speed. Looking at my current specs, should I upgrade or consider buying new? My wife wants me to consider upgrading to get me 1-2 more years out of this computer, if the price is around half the cost of a new MacPro. I would like to upgrade the Processor to a Quad, more RAM (8-12 gigs) and a the latest graphics card POSSIBLE for this machine. Has anyone done with lately on a Dual Core with success? What did you buy? I know very little about what will work with my computer. I need your guys expertise on upgrading components or buying new next year.