I was looking at this guide http://ubuntuone.com/p/bWr/ and i think if i cannibalize the cheap Garrett pair that came with my detector, i can get some of the parts i would need including the Garrett headphone connector and the rest of the parts should be pretty cheap! I already found a good shell here http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=180647224490&ssPageName=STRK:MEWAX:IT