I have the coaster brake model, S-RC3 because I wanted the coaster brake, but one of the ones MichaelW mentions in the post above is the S3X @ http://www.sturmey-archer.com/products/hubs/cid/3/id/47 which is a very nice all weather unit, smooth and slick. IMO, the two speed kick back hubs are kinda dorky and unreliable to ride around on in the city with the stops and starts, curbs, etc... SA has made 3-speed units for probably 50 years with little change other than before 84 and after, they are all over the place for sale cheap and the old ones don't need much more that adjusting the cones and some ATF fluid to bring back to life. Sheldon Browns website has excellent resources on taking one of these old units apart and rebuilding them to like new.