Just got a new 3.06/500gig iMac...It's been a few years since I've tried to move everything from one computer to another... Wondering if I should 1st go with "Setup Assistant" or "Migration Assistant"...current machine is an Imac 2.4GHz core duo. The old one has all the current software updated..am running 10.6.6...Also what problems might I see with regards to PhotoShop migration?