what should i do 2p2?? (comp question)

[S_s]

ok so i have been doing research and have decided to buy the new apple iMac. i will be able to dual boot so i can play online when i want too....

so here is my question, i know that apple is coming out with its new operating system in like October. i leave for school at the end of aug. so should i wait to get the new iMac until the new operating system (leopard) comes standard, or should i buy now and update later???