My car is standard but I have to say they are generally very good and efficient.
I had my cambelt & water pump done by them on my previous gti R.I.P and they sorted my clutch packs on my dsg under warranty.
I recently had the car serviced and I was pleasantly surprised to discover they scraped off the black bin liner that somehow managed to attach and melt over the connection pipe on my Milltek. Cant thank them enough for doing that without me even asking.
Saved me a pig of a job and being poisoned by the fumes!