[Spivak]

You're also on Hacker News. They have been available for a long time, but they're firmly a techie/early adopter product.

[Symbiote]

In many countries the ISP supplies the router. I've had IPv6 capable routers for years and years in Britain, but it's only in the last 2 years or so that the IPv6 address has been assigned by the ISP.