Met the guy at the Clojure user group here in NYC, apparently there are a couple of financial firms in the city already using it. Stuff is pretty cool. Rich looked like a total hacker dude ;o) Actually all the clojure developers were all bearded long haired hacker dudes. Definitely my kind of place
it's really worthwhile to read the IRC logs on the day he's active: cells are "single thread guaranteed , multi-thread capable mutable datatypes " (quote fr feb 17