Can't help you on the clutch judder, mine actually has the same. Judder doesn't come in if I hold the revs higher though. It's always had this since I bought the car (at 93k, now on 120k) but I recently had to get a new clutch + DMF and I thought it would be solved through this, but it wasn't unfortunately.
I had VDC errors 10 mins into my drives for a while too and just ignored it. However I recently had new tyres on the front and wheel alignment sorted at the same time because it was wearing horrifically on the outside of the tyres and since then (~1500 miles ago) I've had no VDC errors.
The VDC system is reliant on wheel speed sensors and if you're alignment is bad enough to give bad data from the sensors I think it will disable VDC to prevent ABS or traction control kicking in at the wrong times.
Anyway I'm keen to follow the clutch judder issue because mine has the same. Mine's also very viby and gearchanges are notchy, wondering if engine mounts are worn?