i just bought a new 8 -core mac pro. with 2 GB of RAM., 1 x 1GB sticks. I'd like to hear how much RAM is needed for my work ? and what config do i want......1 GB sticks or 2 GB sticks...? I mainly run heavy Photoshop CS3 work and Digital Photo Capture. What is the MAX RAM CS3 Photoshop can utlilize ? I wouldn't want to put in unnessesary amounts of RAM, if not needed.... Thanks!