PS4 will continue to lead but start to slow down a bit during late spring as it's hype fades away.
Wii U will slowly rise in sales due to more constant stream of games and pick of quite a bit after a price drop which makes the console more interesting as a secondary console for many people.
Xbox will do also do a bit better than the last year, until SONY starts releasing it's big exclusives, after which Xbox sales start to slip







