I had been planning on getting a PBG4 but am now thinking of scaling down to an ibook, then trading up a couple years from now when the PBG5 comes of age . I have a couple questions: I have a choice of getting a stock unit through a 3rd party dealer or going with Apple so that I can add bluetooth and a larger HD. Problem is, this means paying a premium as Apple adds $100 sales tax (I'm in CA), so I'd actually be paying $225 extra for the custom features, instead of $125 (the actual cost of the BT and HD). Is this worth it? I know I'd like to have the bigger HD, but is BT going to become one of those "what good is a laptop if it doesn't have it" kind of things within the lifespan of this machine? Secondly, and on the same topic, why do refurbs always seem to be stock models (or at least that is how they are listed on Apple, SmallDog)? Is there any possibility of getting a refurb that already has BT and a larger HD because the original owner custom built? Is it the luck of the draw and you just order a stock refurb unit and if it has extras its a bonus? Thanks for any thoughts on this.