EDIT: ~No, I did not try to buy one, just some shadenfreuda...
Embarrasing, but at the same time: that's some awesome demand for your product.
@Bas: I agree. Either their servers are way underpowered, or the demand for these products is huge. Since it's Google, I'm inclined to go with the latter.
It seems that even Paul Thurrott is coming around to Android:That Nexus handset was finally updated to (the now initial version of) Jelly Bean, Android 4.1, which I like quite a bit.