I'm a life-long Windows user, but I am looking forward to upgrading to a Mac this fall. I've been doing a lot of research, and I know that Leopard is coming out in October. When Windows releases a new OS, I was always warned to wait a few months so they could work the bugs out. Forgive my ignorance--but will the same be true with the new Mac OS? Would you recommend purchasing before Leopard's release and upgrading at some point down the road, or should there be no worries buying right away when Leopard is released?