Tell me more about it. I had checked into a device that can send data to your PC about performance by linking to the OBD device, but because CAN protocol is used on the RX-8 (and Mazda 6) it won't work.
1st preorder grp: 2004 RX-8,6sp,Touring,Velocity Red-
(deposit Jan 2002, ordered 1/9/2003,built 5/23,delivered 7/17/2003)
1992 Miata; Owner 5 Previous RX7s:2-81,2-84GSL-SE,90conv
34344 miles[1/6/06] +/-21mpg,87oct since 8308-last tank 21.1; Foglight mod,CZ Stg 1,"M" flash 6/4/04