I love the idea of sharrows and hope to see them around Reno in the near future. Hand in hand with this new reminder of a cyclist's right to take the lane it would be nice to see some education regarding what they mean so that the uninitiated aren't confused by them. They aren't bike lane markings after all. They are a reminder to drivers to be mindful of cyclists and a great way to indicate a preferred route or side street that is particularly good for navigating through a city. I know I appreciated seeing them around Portland, OR, on narrow side streets.
All of these "cartoons" came from BikeyFace and pretty succinctly illustrate the challenges of being a cyclist in the urban environment. Check them out if you haven't already.