Saw this on eBay today and was curious how the older ones compare to the newer. I don't have a use for it but thought someone here might, the price is certainly right if its' performance is anywhere near that of its' younger brother (although they look nothing alike):
http://cgi.ebay.com/18-Resonant-Engi...d=p3286.c0.m14
http://cgi.ebay.com/18-Resonant-Engi...d=p3286.c0.m14