So I have all my games, apps, and music on my touch, but I had to format my computer. Now whenever I want to add music, I'll have to erase and sync my ipod. Will this erase all my apps, etc.? I'm thinking it does, so the only other way to put music on is manually, which I'd prefer not to do. Assuming that everything will be erased if I re-sync it, is there a way to back up all my jailbreaked goods?