Have at last managed to get to a computer. So better late than never and congratulations to all the 'winners' and thanks to Crofter for posting on my behalf as well as doing all the scoring etc.
I must admit I was somewhat naughty - a queen's prerogative! - and scattered red herrings liberally about. The one most people fell for, including Alibobs, Jules and Gen2, was coffee break, but welcome break was well signalled and seen by several others. The other big red herring was 'sugar free'; I don't think anyone fell for this one though several came close with 'calorie free'. There were no red herrings to deflect you from cheque book, so, as Crofter said, I was surprised there were 30 entries before it was spotted.
I'm already planning next week, when the possible links will be even narrower. Oh, and I'm having a wonderful holiday - home late on Tuesday