Rick Klau, Strategic Partner Development Manager and Elections Hipster at Google, put together this nice mashup of superdelegates. As Rick notes,
Over 60% of the delegates are now on the map and are associated with their endorsed candidate, with more info coming in every day. It’s tremendously gratifying to see a community grow around this timely subject- hope you find it useful!
Read more about the superdelegates at superdelegates.org.