Neither- NEW HAVEN style pizza!
Native to southern CT (my homeland), it's technically a cousin of NY-style but there are subtle differences; often purposely charred a bit, usually served as a whole "apizza" rather than by the slice (though some places will offer it). It also seems a little less greasy than a typical pizza you'll get in NYC.
The best place on earth to get it is Pepe's on Wooster St in New Haven- it's an entire street of almost nothing but pizza joints and Italian restaurants. Considered by some the best pizza in the US. The line to get in often stretches many doors down.
For you Boston people- they opened a location in Mohegan Sun casino and for DC folks, Pete's Apizza in Columbia Heights, Clarendon and Friendship Heights comes pretty damn close to the real thing. They even have the local microbrew soda from CT (Foxen Park).
If you're in NYC, it's definitely worth a weekend trip up the Metro-North rail to check it out. And for the rest of you, locations offering this style of pizza are sprouting up around the US:
http://en.wikipedia.org/wiki/New_Haven-style_pizza
Enjoy!
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