I need to buy new desktops for my business. We primarily Photoshop, InDesign and Illustrator. Large layered files for print and web site design are the real challenges. I do have 40,000 photos and plan to buy Aperture to manage them better then iPhoto. I also plan to purchase video editing software (Primer and After Effects) and slowly get in to this but I'm sure my needs will be basic. I was going to pay up for the 2.66 octo with 8 gigs of ram but since my main concern is photoshop and small scale video it may be even better to get the 2.93 quad. With no solid bench marks out there yet I am not able to make a good decision. I know in either case they will be dramatically faster then my 2005 Power PC. I am also not into upgrading (even the OS) on these machines, just swapping out old for new works best for me and we have waited a while fore these machines... Any help will be appreciated.