Anyone interested in spotting the first Zeppelin in NYC area in many decades (yes, it is an airship, but no, it is not a blimp exactly), you can track it here -

http://www.airshipventures.com/tracking.php

As a matter of fact if you contact them and meet the price, you can catch a ride.

http://www.airshipventures.com/cal/

New York Metro Area Tickets on Sale Now!
Call 650-969-8100 x111

Keep in mind you can't buy a ticket on the Goodyear, you'd have to be invited...

Tom
(ps, this is not intended as an "advertisement", I don't work for them). :)