It will never be on any other exchange than in the NXT wallet itself (released somewhere next year).
That's the thing. Soon NXT will be so strong that it doesn't need neither Bitcoin or an exchange.
As it is not implemented yet, we should use the classic exchange to increase NXT awareness.
So yes, let's upvote on Cryptsy and BTC-e in the meantime.
Dude, cryptsy and btc-e will never list it. Because nxt themselves don't want it to happen.
So: It will never be on any other exchange than in the NXT wallet itself (released somewhere next year).