Im in the same boat as you mate
I want to get a scirocco R , my local dealer only had a GT TSI in stock at the time in DSG so i took it for a blast and have to say i was sooooooo dissapointed.
My biggest fear was realised straight away , that its like driving a go cart , jerky pull offs , very hard to pull away smoothly , with a manual you can control how slow or how quick you want to pull away.
TBH the gearbox in the Gt was pants , not smooth at all and a few times it couldnt make its mind up what gear it wanted to be in so some delay.
Any way test drove the R a week later and have to say total different drive in the gearbox , smooth as you like no hesitation , still the go cart pull away but maybe getting used to the throttle position will be better?
but this is the part i hate , i got into my manual Cupra after and had a lazy drive home , didnt feel i could do that in the DSG :(
Bear in mind my test drives were only about 45 mins each so maybe not a conclusive test but i really wanted to like DSG !