reply to NetDog
Re: [IPv6] Evidence of Comcast IPv6 CPE Dual Stack (CPE and CPEP Yea! The turtle is a dancing, the penguin is a swaying here in Indianapolis, 46214!
Direct to TM722G works great, troubles with Tomato for the moment
Went and got a dlink-827 set up router for ipv6, now working everywhere in house even have the dancing turtle on my 2 android phones and android tablet (ICS ALL!)
edit for update!
Running Arris TM722G with dlink-827