amsterdam experiences

im going to amsterdam on wednesday for the first time. im wondering if any of you guys could tell me some stuff about the place. Good coffee shops/bars/clubs to visit? im staying in a hostel called amsterdam cribs so if any of you who have been and stayed there anything you could tell me about it would be helpful. thank:thumbsup:

Pink Floyd, barney's, the Grey Area... just explore, you'll have a blast.
The Amsterdam Coffeeshop Directory

Just walk around the city smoke, explore and have fun man.