This is a two way street.
On one, we're talking NYC, and if he can host Lap Dance Tuesdays on DC, he can sure as heck do so in New York, heck even better. Which makes this signing a really poor decision.
On the other, if he's focused and realized this is his final shot, a decent Blatche can average 12 and 6 on 20 at least minutes. Sure he's poor on defense but you can't deny that production on limited time. And that will make this a good signing.
This is a "will see" signing. Obviously the talent is there, as well as the baggage. This is a very risky move by the Nets.
Just me.