Well, I shan't be upgrading... I won't use the facetime, or the camera on the back. I'm not convinced that mobile devices like these will need quad cores, and silly spec. I realise that spec is a big dooby dooby to some, but the airs sort of pushed that concern aside. I dread to think what will happen is a pspec war comes into play. Quad cores in mobile phones, etc? Really, even today is it needed, or is it just to look good on paper? That's not quite what they are about, to me. The form factor looks lovely. The size and weight will be nice, but I don't really see me needing the other stuff at all.
I think the iOS updates were more important, to be honest. Airplay, home sharing, and the safari update was got me excited.
Hope everyone who did get one is happy with them as much as I was when I got mine last year. Still, I got an air, so I've sated my appetite for the moment.