I cant give any recommendations and I learnt in the UK. But often this type of thread comes up and there in my opinion seem to be numerous points:
1: It is not often cheaper to go to US unless you can get accomodation cheaply
2: Theres lots of paperwork and hassle to do it
3: Why train in good stable weather and then come back to the UK where it wont be good and stable. The extra money used to join a school back here in the UK, do differences training to the UK CFI's acceptability, must negate any 'savings' had doing it away from home.
I've had a PPL here in the UK for 9 years, and also have a US / FAA 'piggy back' license too. The only reason I'd do it in the states would be 1: I had enough time and money and not have to worry about a 'career' back in the UK that had limited amount of time leave 2: I knew that my short term intentions would be buying a powerful machine and I was going to do a full FAA Instrument Rating.