Yes, the bay can be a good place to look for things sometimes.
I picked up the blue boxcloth braces brand new from an ebay seller for 40 GBP (they now retail for 72 GBP and above for the boxcloth). Thurston prices have gone up quite a bit over the course of the last few years, no doubt due to their increasing popularity, and probably, due to the cost of raw materials. They also seem to have phased out quite a number of colours for the boxcloth braces. Lower profit margin on those? I don't know.