Ok. Today (Monday), I am going to take the plunge and buy the 20" 2.4GHz ($1499). Here's my dilemma: I'm terribly, terribly impatient (and do need it ASAP) and have the option of either going to the my local apple store to pick one up right then and there and deal with the un-customized-ness of it, OR order from the online store with 2GB ram and wait it out. Now, I'm pretty sure the store doesn't carry 20" 2.4GHz iMacs with 2GB of RAM already customized in, but please correct me if i'm wrong. If not, please offer some advice (do i need 2GB of RAM? - is the shipping delayed?) and consider my impatient-ness and severe need for this machine. Thanks!