Another data point: a friend who wanted to move from Microsoft to NYC had multiple job offers within a week of posting his resume to an NYC tech mailing list.
If you're interested in speaking more, please email me at carter@art.sy. Even if you're not interested in Art.sy, I'm happy to intro you to other NYC startups you might be interested in.
[edit] Here is a link to the Quora thread of all NYC startups that are hiring: http://www.quora.com/Startups-in-New-York-City/Which-startup...