I figured that other commuters who use mountain bikes might be interested to know about this option.
I really wanted to buy some Road Ends about a year ago. Unfortunately the company that made them had sold-out of them as they prepared to make a better version. I wanted a more aero position on my commuter mountain bike, but didn't want to spend big bucks on a drop-bar conversion.
I finally got an email (one year later!) that the new ones are ready to be sold. They are now 6061 aluminum. Much better looking and lighter, too. And cheap enough ($20).