3D Printed 3rd Party Parts

Has anyone here tried either of these products?
http://www.shapeways.com/model/1311471/ ... terialId=6
http://www.shapeways.com/model/2215288/ ... erialId=25
http://www.shapeways.com/model/1311471/ ... terialId=6
http://www.shapeways.com/model/2215288/ ... erialId=25