BT4 setting up IPv6 Tunnel & join the 6bone in 6min
get familar with IPv6 and setting up a free tunnel, join the IPv6 backbone & test all your favorite ipv6-enabled security tools!
Video tutorial can be found here:
Going further, read HD's article about exploiting IPv6 (still rareley information about IPv6 vulnerabilities are available, even if it will/is be a great concern, concerning our mobile phone carier networks & enthuastic root-DNS updates ;-)
General web site you should start with:
So start your journey today and find tomorrows vulnerability (just think about ipv6-enabled firewalls...)!