Yeah, most of the UK do who have not yet upgraded to a Gen 5. Ran a Gen 3 on Track and now a Gen 5 on Track Ran a Gen 4 on the road for 15 months and it was ACE They make brilliant Track Bikes and parts are cheap now, get one bought, you'll be the restricting factor not the Bike!
cheers sinewave. i am, always the restricting factor regardless, but nice to know that i will have an ok bike.