If you're interested in the kilo TT or the Windsor hour, I definitely recommend just stepping it up to a KHS or pista or something. I bought the windsor off ebay a while back, and sure, the frame is nice, but the components suck hard, and I've put about as much money into parts as I paid for the bike. I had to overhaul the hubs, and now I think I need a new bottom bracket. You're going to end up swapping the parts out anyways, if you have any taste in quality, ie, the tires they come with are like a plastic compound that make this shrieking noise when you skid or skip. So, to recap, either buy the Windsor or Mercier with extra pocket cash and time, or step it up.