As I noted in the TEA thread, I got to the Harwell rally today...
Did you get there? I did, and found it to be much larger than I expected, at least the same table area as at Kempton. As a bonus, the "big new" sales organisations weren't there, so it was almost entirely a good old-fashioned flea market.
I restrained myself to buying a ridiculous quantity of wire-ended neon bulbs, a big bag of bigger-than-normal resistors, six 50ohm SMA terminators, and a Tek 475 which sort-of-works but has 2 6062B probes, the service manual and a front cover. Total cost including entry was £29

That makes me wonder whether I can be bothered to go to Kempton next April. I talked to someone that normally has a stand at Kempton, but he is not sure he will go either - both of us think the defunct November session is better.