Well, speculating if the manga will be ending in 2014-2015 (two years),
the Byakugan, Hyuuga and Hinata all have chances to shine.
But Kishi said nothing about the Byakugan for the upcoming year...
Hmmm. I guess (I read a thread about a clear up about Naruto ending) the secrets of the Byakugan will be told along with the further explanation of Sharingan (if there will be any)
Naruto changing the Hyuuga and he, holding hands with Hinata, can be just like an epilogue chuchu. When he becomes Hokage.