RE: TRACER help please
I use the Easton Tracer Nocks that turn on/off with the magnet. The work great for me. David at Wyvern can hep you out or you can find them on Ebay.
http://cgi.ebay.com/EASTON-TRACER-FLAT-NOCK-CARBON-POWERBOLT-CROSSBOW-BOLTS_W0QQitemZ200305447771QQcmdZViewItemQQssPageN ameZRSS:B:SRCH:US:101