hi guys. i am waiting for any surprise announcements from Macworld and will be buying a MBP sometime this week. my question is if it is worth it to upgrade to a 7200rpm hd at purchase or upgrade the entire drive myself. also the RAM. upgrade at purchase or upgrade myself. for the hd im going to keep it at 250gb and just upgrade the speed since im trying to keep the cost down. i think it is worth it to get from apple at $50? and if i go to a retail store and they dont have it configured exactly how i want it will i have to wait or order online? im hoping to walk in and walk out with one so is that a plausible thought? thanks guys, hope to join the mac world soon!