Hello, i got today a Mac G4 with 768 Memory of RAM, 30giga IBM 5400 RMP, ATI Rage Pro 128 and 400 mhz i belive but im not sure about CPU. Im really excited about this but i got no ideea how to instal an OS and what OS i can run on this Mac since im a real noob to mac because im a windows user since like ever so i dont have any os on the mac. Anyway i intend to use this computer for internet mostly just surfing chatting and basic stuff nothing much. Need some serious help please.