Comcast has started their first pilot market deployment of IPv6 in a limited part of California. This first phase supports directly connected CPE, where a single computer is directly connected to a cable device. A subsequent phase will support home gateway devices.

Comcast IPv6 Information Center
http://blog.comcast.com/2011/11/ipv6-deployment.html

Hopefully we can get to thousands of users with all types of home networks before IPv4 exhaustion occurs in North America.