(Late to the party, but...)
Jono @ 10:00 - that's odd, I have got only a dozen answers but 11d and 26a are among them and felt OK to me?
Along with most of the others that I've read so far I've been finding this very tough. Tramp has taken over from Vlad as the setter who causes me to quil when I see his byline.
A curiosity: often the little four letter jobs are among the most tricky clues. This time I seem to have got all four of those and I'm still well under half way through.