I used an old pair of Scott Race Clip On's with flip up pad arms attached to a straight (mtb) bar. I thought it worked great for offering alternate positions and preventing hand numbness. Someone on Crazyguy had an even better solution that he recently posted. Here's the link:
http://www.crazyguyonabike.com/doc/?...c_id=2799&v=2G
Happy Riding.
CC