I'm currently away from my gaming PC, so I haven't had the chance to boot up Skyrim. How big of a step is Legendary from Master? Also, what exactly happens when you make a skill "Legendary"? Does it give some sort of added benefit to the skill?

http://www.gamesas.com/topic/1449413-legendary-skills-my-uninformed-roleplay-and-lore-concerns/

http://www.gamesas.com/topic/1447827-are-you-going-switch-to-legendary-difficulty/