It's always a good idea to check the internet, but be sure who you're buying from. Always check
www.resellerratings.com before you buy.
You know those deals you see on cameras that are close to half the price they are in the stores? No such thing as a free lunch - you'll find that most of these places (especially in NYC) are simply fronts for scam artists. The site I've mentioned will let you know.
I bought mine locally in my city. If something goes wrong, they're right there; no mailing or worrying about insurance or damage.