hey,
IA_*PD* has nothing to do whatsoever with this whole discussion.
Yes it does and you can't ignore that. You will use DHCPv6+IA_PD in broadband setup and because you already have DHCP, questions arise why not use it for default gw as well and keep it simple for everyone.
IA_PD is one very big reason for the (repeating) discussion we are having right now.
-- tarko
