Shoppers, what do you want to do with? Trackday car or mint? Make the decision and go for it, you had the idea initially of going for a cheap trackday so go for that. Have some fun in it, Blyton in July, book a trackday at Brands and I'll come too, and do other things with it.
Like Adey says they're really not worth a great deal, especially now with the category mark attached to it. It's worth more in spares, at least if it was track based you could have your fun in it throughout this summer, meet up with friends along the way, then break it selling the track parts.