No, I'm probably not going to buy black, much as I'd like to, because there's a $150 price premium! (It's a $200 price difference that gives you black plus an 80GB instead of 60GB hard drive, which is otherwise $49 extra, I think.)
( My TidBITS article on the MacBook... )
Since these start at $1049 (academic price), it's quite affordable. Haven't clicked the button yet, but I'm pretty sure I will soon. Just have to think about how much I'm spending on upcoming travels to decide when. :-) Anyway, I will be selling my 12" PowerBook G4, so if you don't need the latest and greatest, let me know if you're interested.