Anyone have any advice on whether it is recommmended to buy a refurb g5 for example on the Apple store site? They sure do offer quite a savings (there's a dual 2.0 up there now for 2,399). The second question I have is, if I want to have more ram, bluetooth module, etc. and refurb airport card installed, can they do that to a refurb model as they would for a new one? I don't see that option on the form, but maybe someone knows something I don't. I know I should buy the memory separately and put it in myself, but I figured I'd save myself the trouble, and not sure about the internal bluetooth mod -- are they difficult to install? thanks!