Hi all, Newbie here. One thing that has continued to mystify me over the past couple of years is the nature of work regarding computers in the professional environment. Keep in mind I have no experience in the working environment of multi-core computer systems. My questions are these. How has the nature of your work changed over the years to justify the expectation of new Mac Pro's? Every time a new Power Mac came out, or a new Mac Pro comes out, the product is heralded as the next great big thing. What is it about this new computer that you couldn't have done previously on your last computer? Before I get snide comments along the lines of: 'Why don't they just stop making new computers altogether' and such, I would very much appreciate genuine answers, because I am looking to get into these professional fields and am genuinely interested in the reasoning behind these facts.