My wife (and sometimes I) wish that the BBC shows would have sub-titles (and I wouldn't be surprised if many in the UK felt the same way)

The only time I have trouble understanding someone speaking with a British accent is when they are northerners. Andy and I used to watch a sitcom called "The Dinner Ladies" with Victoria Wood and he used to have to translate for me. I find the Lancashire and Yorkshire accents particularly difficult to understand and that is a little bit of a problem. Our nieces and nephew (who are coming to visit next weekend) are from Lancashire :)

'Course, I have been living with a British accent for the last 16 years :)