apple has really out done them selve this time,after downloading form my updater, my iMac G5 will not reboot spins like its going to take off with both red lights going and freezes up then i have to force quite now it will not work ,i have had been having lots of problem with apples resent updates for itunes and leopard if you have iMac G5 don't upgade this one it will mess up your machine. now apple will cost me time and money because of there over sites.thanx apple i see why your stocks are tanking