http://www.mustangtuning.com/sctxc9.html
I notice its for sale here, but no free cable whice is more than just for downloads now, and no downloadable software on the site.
Being able to tweak @ the track by hooking into a laptop is a big advantage, if only somehow, This could be a real time Data logger also. Wishful but doubtful.
Guess ill be the test Guinea Pig