If Windows does it in the background then its STILL behind. OS X does it every time a file of 20MB or more is moved from what I understand. Therefore it never needs to defragment.slooksterPSV said:Wow http://www.theinquirer.net/default.aspx?article=34190 there's a piece in there about how Vista will defragment your hard drive in the background when it's not in use. That's so cool! I mean come on that's just revolutionary! NOT, ok Apple has this right? Of course Apple has it and has had it. All in all, you see this so much (taking from other companies) its hard to argue with any more.