User blog comment:Jimeee/Skyrim 1.9 beta update adds Legendary difficulty and raises level cap (Updated Apr 8th)/@comment-166.137.156.16-20130406115352/@comment-67.61.249.237-20130406235531

You missed something, when you legendary a skill the perks are returned to you, they aren't lost. So this update allows you more than the original max 80 perks.