Today my Mac was running fine and I rebooted. When it came to the bootup (gray screen) screen, it was there for about 1 minute and it keeps restarting. I popped the Mac OS X DVD in and am repairing permissions as I type this. It says 44 minutes remaining. There is a long list of permission issues. Could this fix the problem? I also tried a Disk Repair, but it said that Macintosh HD is OK. I really don't want to do an Archive and Install (hopefully the permissions repair will work). But if I do, will this fix it? Will it keep all my files? Settings? Applications? Thanks for the help!