There is also some discontinued very hard to find drop style bar ends like the newk (
http://www.kinetics.org.uk/html/853_commuter.shtml)
the endless-innovation road-ends
(
http://www.bikeforums.net/showthread...14#post2581514)
Or my own DIY two bar ends retrofit.
http://www.bikeforums.net/showthread...27#post2569727