User blog comment:Jimeee/Skyrim 1.9 beta update adds Legendary difficulty and raises level cap (Updated Apr 8th)/@comment-68.12.3.141-20130312032206/@comment-5469467-20130312043541

Provided you can make your skills "Legendary" (i.e. reset them back to 15 and refund perks from the corresponding tree) an unlimited number of times, I imagine there would be no level cap at all. We'll have to see what happens and how the system works, but I like the idea of there being no level cap.