... can anyone recommend a good retailer for decent quality black (car) carpet?

Cheers

fish 'n' chip shop.

i heard marine carpet is pretty good and cheap as well...

im also tempted to buy some from carpet right and ask them to fit it for me...

http://www.martrim.co.uk/

Don't feel shy about giving it a go to knock them down matey...

Perfecto!

Cheers Steve!