Are those firms legit? Or are they churn and burn bucket shops? How hard is it to get a job there? Do they only hire super math degree quant guys? I think Jump is like that... I remember looking at their website a few years ago. Anyway most of those places are really close to me.
I'll keep the office design thread going with another very cool example - Artis Capital (hedge fund) in San Francisco. Bay bridge view to die for! http://swipelife.com/2009/05/18/artis-capital-management-office-by-rottet-studio/