I came across a good (American) guide to riding the track; especially if you have come from a road racing background. Here's the link www.ridethetrack.com/pdf/trackracing_intro.pdf
Phil has the following Track Bike for sale. It just needs a chain-ring to be complete.
Dolan Track Champion frame. Black 56cm. Almost complete bike (chain-ring required). Planet X track wheels; Campagnolo chain set.
Blogged by Steve Wickham. I decided that track was the ideal introduction to cycle racing for me. Indoors and traffic free.