Originally posted by: wirm
It's always been my opinion that the sharingan is "cooler" than the byakugan, but it's not necessarily better. They both have their good points, and if taken advantage of (Hyuuga seems to center their entire fighting style around their bloodline limit), the odds are stacked steeply in their favor.
I also get the impression that byakugan can see through genjutsu. I'm not sure about this, but I seem to recall Sakura stating something to that effect about eye abilities in general (probably the first episode when the sharingan is introduced).
Plus, common sense tells me that if the byakugan can see chakra, the chakra circulatory system and is that much more effective in insight compared to sharingan, it should easily nullify illusions of almost any kind.