I bought a pair of Black Rain Evos at the NEC for £100 last November. Sadly though I have been a bit dissapointed with them and wouldn't necessarily recommend them to anyone considering using them every day.
http://kapitalmoto.co.uk/node/125 I have been wearing Sidi Vertigos for track use lately, they seem OK, but are very tight when worn over leathers - and my leathers won't fit over the boots!