I have Power Mac G5 with the standard 250g system hard drive I am using a external 250g G technology hard drive connected up by firewire 800 for video editing and also have a 250g external hard drive connected firewire 400 what I am using for backup. My problem is my system drive is already down to 92g of free space and I still have a lot of digital photos to add to Iphoto. First question will I photo let me store my pictures on for example my backup drive or if I add another internal drive can store and move my photos in the second internal hard drive?🙄