I agree with Trigger. I think for those of us who would rather sacrifice a little comfort for added acceleration and twitchiness, track geometry makes more sense. Mass market geometry paradigm basically holds that city bikes should be as slack as possible with room for large tires because people want to ride slowly and possibly on the sidewalk. Not all of us ride like that. Traditional road geometry (73 parallel ST/HT, 45mm rake, lower BB, longer chainstays) still 'works' in the city but for a lot of intentions and purposes doesn't shine quite as well as track geometrty (steeper HT, less rake, steeper ST, shorter CS, higher BB). For example, I can take a corner with either BB height but would rather have it higher in the city where I may be turning tighter on a 90 degree corner (and pedaling through it), and lower on the road where the stability of cornering down a 40mph descent (and coasting) is more desirable.