Well its time to upgrade my 2.4ghz single core windows xp pc machine. I just got into Digital photography and when running Lightroom the old pc cant hang without rebooting. So after a wonderful visit to the Apple store I am convinced that the new Imac is what I need. But I have some issues I need help with. First, currently I run two drives with four partitions. The one drive I keep just the OS and programs.I have it partitioned so there is a D: that I use to house movies as I rip them. The second drive houses all my photos, and documents,itunes music, that way if I need to reformat the os drive I dont have to move these items. The second drive has a partition just for software that I have downloaded. This is really overkill and not needed. So the question? With the 27" imac with quad core how to accomplish this? I want secondary drive that houses all photos(several gigs worth) and documents, would a Firewire drive work for this? And I also want to run a network drive that will handle back up duties for the internal and external drives? Is this possible? Or should I pick up a use Mac Pro on ebay? I forgot the main drive on the imac will be spilt so I can run windows as I have CAD and office programs I need to run. Oh I have say thanks to the salesmen at the Apple store on the Plaza that showed me how much power the imac had. He resized 150 photos into a email,streamed a HD movie preview from apple.com , played a HD movie that was on the hard drive and had 5 safari windows open,iphoto open and imovie all at one time, the machine never slowed down, and this was just the 3.06 dual core, not the quad core one. Very impressive Apple!!!!! Thank you any and all help.