Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <BillEaver-at-aol-dot-com> Justin: I would start with these two:http://www.asiinstr-dot-com/dc1.html http://www.plasticsusa-dot-com/polylist.html These have been a great eye opener to me! Denis Despins KC6TRW