Buying Prog in NYC

[Poth]

Hello, can anyone help me: I'm from England, but I'm off to New York on Friday and I was wondering if anyone can recommend some good places to buy progressive music on CD? I am particularly interested in the 70s European scene, but also like jazz, fusion and avant garde / instrumental / Cuneiform bands as well. I would appreciate any advice, also if anyone knows of any good gigs happening in that city next week. Thanks a lot. Poth.