I have finally gotten round to migrating my iphoto library to aperture (thought I should make full use of the software considering I did buy it). This is probably a stupid question but Time Machine does back up aperture library, right? I ask because aperture has its own vault back up thing. So without using vault and I loose my files, when I restore with Time Machine I will get my photos back, right? I read somewhere that Time Machine won't let u step back through the photos different editing stage unlike iPhoto, that I'm not bothered about I just want to know my photos are safe. The other question I have is about what is saved onto Time Machine. For example, if I have software that is not part of the operating system like Photoshop is the program backed up? I plan to get Snow Leopard so can I restore my files from the Time Machine, when I install SL will it give me the option to restore from an external HD that was used with Time Machine like when u get a new mac and can move files.