Went down to GG yesterday afternoon and had a chat with one of the guys in the performance section. I gave him a demo of the site as I took my laptop - he loved it!!! Well done Steve, Matt and co.!
Anyway, parts. Basically, he spent ages looking for details on the HKS stuff but couldn't find what he was after (a spec sheet with model numbers, performance stats etc.) so he will be emailing on Monday and I will post all the details.
I asked about group discounts, and he said we can chat further once we know how much interest on a particular item there is. Hope this helps - I'll post more as and when I get it...
Johnny - one of the other guys remembers you!!!