I'm looking to add to my Mac collection in the near future (specifically an iMac G5), and I wanted to buy from the Apple Retail Store. At the time that I purchased my Powerbook (nearly a year ago) the only BTO options available for iBooks were Airport & RAM - not internal Bluetooth or hard drive upgrades (which is why I opted for the PB). Is this still the case? Can you get internal BT on the iMac at an Apple Store? How about hard drive upgrades? Thanks.