nOT BEEN FOR A COUPLE OF YEARs , but, there a shop called wax well just behind Dam square thats worth checkin out, they had some amazing rare funk LP's behind the counter. its in an area called 9 streets, and a couple down the Leidspien. Rembrantsplien flea markt can turn upa few bargains, on sat morning, There was a healthy amount of collectors shops, but mainly prog orientated if memory serves me right, unfortunatly it usually doesnt, LOL. Have a good en and save some for me, I going back in the summer!