As mentioned in another thread, another bar end option that many find to be very comfortable is the "Cane Creek Ergo Control II." These fit right into the palm of your hand and allow you to rotate your hand position by roughly 90 degrees. Not sure they would work as well if you have bars with a lot of sweep or if your handlebars are very wide.
http://www.canecreek.com/ergo-control-ii-bar-ends.html
http://http://www.route66bicycles.co...er%20front.JPG
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