It appears that we are getting closer and closer to global adoption of IPv6.  The target date is set to be June 6th 2012.  Many major players have already shown their support.  As the standard is now established, you should review your readiness and keep compatibility in mind when buying any type of networking hardware going forward.  For more information please see the sites below.

http://www.worldipv6launch.org/

http://www.worldipv6launch.org/press/20120117-2//

http://www.internetsociety.org/