I have an iBook G4 1.07 GHz, and am upgrading to Leopard later this week. It has 768 MB's or RAM. (256 soldered to the motherboard, one 512 stick). Would this run Leopard fine? I know that I can't expect to to run as nice and smoothly as the new Core 2 Duos, but will it still run just fine? It currently is running Panther (10.3.9), and it runs just fine. Thanks for the help.