So I upgraded my hard drive to 500gb and thought that the easiest way to transfer would be a fresh install and let time machine do it's magic. Well it kind of worked. Everything went smoothly until I tried to load itunes. itl database is from a previous version. Hmm... I thought Time Machine was supposed to back up EVERYTHING so I don't have to go reinstalling s*&^ again. Nevermind, update in Software Update and everything should be grand right? Wrong (arnie voice) There were loads of updates still in there and 10.5.6 was a biggie. So install that one first. It hangs, I try again, it hangs on install. So approached it from another angle. Use Carbon Copy Cloner. So out with the new drive and in with the old drive. Begin Clone, it failed at 33%. Stuff that. Use something else. Super Duper. It copied superbly, althought it took ages. And then I could even boot use using the clone as the startup disk. So cloned the drive to the new 500gb disk. Took 8 hours... And eventually.... it loads to the apple logo and then reboots after abotu 60 seconds. Infinite reboot loop. So am I doomed to using the 160gb drive forever?! Help!!