Dunsfold were excellent, last thing I got from them was sychro clips coincidentally, unfortunately I believe they shut down in the last couple of years or so.
The museum is still there, in fact I believe the next series 2 club meet is being held there.

.....but the gearboxes are much tougher than the S3.....the individual wiper motors behind each windscreen wiper....even the hopelessly inefficient smiths heater sitting near the passenger footwell....the sliding door windows that don't need a winder mechanism. It's called real character ....downside of course was about 14mpg on a petrol engine and 0-60 in infinity on the diesel.
