Hey Matt, can't believe I missed this post of our Sheep in Wolf's clothing.
Think my TT is your exact twin with the kit onboard save the colour. I'm still on delivery miles, looking to get past 500 this weekend, though still a long way fm 1k before can explore more.
Have the same 'where's the clutch moments' every so often, my chic (proper southern spelling Bing) has a ban on it so the 19" are safe for the moment.
Chipping - did it on my first 170 A3, 0-30 not much difference, over 30mph in a 3 door hatch running 200bhp with 450nm torque upsets a considerable amount of other road users in posh metal, but most of all removed flat spots, more pull & extended power band.
Downsides, needed more frequent long runs to stop particulate filter getting annoyed & increased fuel usage because of the extra umph - there are a few TTS limited editions in nimbus grey about with a super spec, but the colours not exciting, cost extra £100 PCM over 4 years not 3, so couldn't take it in the end