Early 2003, they say.
As for OCing. Well, who knows.
But I heard it will be released at 2GHz.
If that is true, then you KNOW that it will perform equivalenly to a p4 at double the speed.
And from what I've seen, there is very low heat from the cpu. Yields are apparently good, and it should scale VERY quiclkly. Much more so than AthlonXPs