Been on PN for a month now and I switched from Sky LLU to PN Fibre.
Couldn't have gone smoother, I applied to PN through Quidco for the cashback and discount and 2 weeks later I was at work when the engineer came round and spent a pleasant 3/4 hour chatting to my wife as he did all the tests.
Been up and running every minute since. Only time I had to speak to Sky is when they phoned to see why I had moved.
Ex UKFSN OfficeMAX
Ex O2 Premium
Now Plusnet Fibre Unlimited