Black Diamond 02's.
But you'll need to buy tele boots to match them. heh.
Actually, it really depends. The Pontoon (opinion) seems like such a horrible ski to tour with, so don't even consider getting an AT binding.
Friends of mine have had a LOT of luck with the Jesters, he has them mounted on his Liberty Phil larose Pro's , and his Gotamas.
Otherwise the Rossi Axial2 200's are pretty beefy.
2008 Liberty Helix wins
Freeskier "Editors Choice Award"
Powder "Skiers Choice"
Outside "Gear of the Year"
Freeskier "Dream Pick"