Thanks for all the recommendations.
I did finally manage to get a hold of the guy this morning, and was told that the blades went out yesterday, and said I should receive them today. Apparently he'd been in hospital, lots of apologies. Never like to disbelieve people, its just that when I spoke to him two weeks ago when he phoned to take payment I got the impression that he was sending them out that day which would be in line with the 2 day turnaround that he offers. I know that its only 3 blades but it would be expensive to have to replace them £70-75 plus the cost of sharpening £15 would make for an expensive haircut!
Shall have to see what the postie brings.