Its a v interesting article big bob... wish they'd do the same for the 996tt.... interestingly, the guy that mapped those 9ff cars is the same guy that JZM use if you do your remap through them. He also does the Manthey cars also apparantly.
I've spoken to MRC on the back of Shaky's posts - they seem like real enthusiasts, and do a health check of the car first, pressure test for leaks etc, followed by a custom mapping including on the road mapping to see how it drives and where it needs to be optimised.
Sounds sensible enough to me.
Have also spoken to Paramount tuning (theres an article about their ecu mapping in last mths GTPP mag) who also do live mapping, albeit they don't take car on the road, but use their rolling road, and then tweak the mapping to suit.
Thing is, with everyone now writing their own maps, its nigh on impossible to assess the differences in expertise/capabilities, unless you know of people that have tried them all and experienced their cars.
Which means that at some point, you have to just jump in and take a leap of faith with one of the tuners, and take it from there !
I am leaning towards JZM on the basis that they have the expertise to fix the car if anything goes wrong.... albeit their mapping is significantly more expensive than the others, however, against this, however good their man in Germany is, will it be as good as a custom map ???