We get this question nearly every day: I have a limited budget, but I want to get the right machine for the job. Should I get a Mac Pro? Or can I make-do with an iMac?
We've known for a long time that its infinitely easier to use a Mac Pro because they are far more expandable and flexible for the creative professional. However, Lloyd Chambers recently wrote a great article on the exact reasons why you should get a Mac Pro and skip the iMac:
Mac Pro Westmere Compared to Quad-Core iMac by Lloyd Chambers at Mac Performance Guide
Click over to read Lloyd's laundry list of reason's why you shouldn't get an iMac for professional work. Its a great read. It will convince you to save your nickels and dimes for that tower!