Have been playing about 16 months now and have a nice tone on my tenor and otto link 7*/2 & 1/2 vandoren jazz reeds. Don't want to start collecting mouthpieces but I am thinking of trying a metal mouthpiece. I am looking for the Coltrane type sound (but don't expect that exactly after 16 months). It sounds to me very smooth but with that fuzzy tone over the main sound that typifies a sax. I don't get the fuzzy with the link. What difference would a metal mouthpiece give me I guess is my first question? Are they capable of a wider range of sounds? Should i buy a PPT??