Fixed bike recommendations for track racing

Just starting out really so in terms of the track racing finding my feet. So would really want something entry level- did some training for a 25 mile time trial for this summer but feel strengths are in sprinting rather than time trials-have a lot of specificty work to do!

What track/s are you racing/riding on, and in what meets? leagues? open meets? training sessions?

entry level is:

http://www.wiggle.co.uk/p/cycle/7/Tifosi_Pista_CX_Track_Bike/5360040545/
http://www.all-about-the-bike.co.uk/fuji-track-bike-2009---free-delivery-567-p.asp
http://www.italian-solutions.co.uk/product.php?productid=16150

The dolan is good value, and only £40 over your budget, hardly a deal breaker