Yeah I love it, it's what shounen jump needs. And actual interesting story.
Taiju was a vehicle to introduce Senkuu and the setting. I'm sure he'll be more important when he reappears later on, but Senkuu has always been the driving force and primary intrigue in the story.
I have no idea where this is going and this intrigues me a lot. I just hope this series doesn't pull a Cage of Eden ending on us.