Nabewise
Great descriptions of New York neighborhoods, complete with photos, rankings, reputation, and user reviews. This is easily my favorite neighborhood review website. Go>>

Walk Score
Calculates the walkability of any address. New York averages a score of 84, much higher than average. This is the reason why many native NYers never even learn to drive. Why drive when everything is walkable? Go>>

The Best Places to Live in NYC
New York Magazine took a stab at ranking all of the neighborhoods in New York by using as many measurable categories as possible. My neighborhood, Murray Hill, ranks #8. But it’s #1 on my list because for me, affordability was less important then transportation and elegance. This ranking certainly serves as a discussion starter though. Go>>

Wired New York Forums
A huge discussion of the differences between neighborhoods. An interesting read if you want to get more perspectives on your dream ‘hoods. Go>>

The Livability Calculator
A subsection of The Best Places to Live in NYC, this calculator is worth listing separately. It’s a great way to get an initial list of neighborhoods to check out based on your priorities. Go>>