This is one of the more popular reference threads for the Jet ECU scam:
http://forums.clubrsx.com/archive/in.../t-144424.html
Despite the fact that they are Honduh guys, they really got their stuff together here and actually proved that the Jet upgrade is no more than a $300 set of stickers.

Buyer beware -but there is NO WAY that these guys can mail-order a tuning session with any degree of accuracy.