I didn't watch Shippuden until way later in my life, and to be honest I was kind of disappointed by it.
I recall my peers constantly praising it as being "so much better" than Naruto, but I just don't see it. It's also not what I thought it would be like.
Shippuden ended up being a lot more like Dragonball Z and less about ninja wars in between the villages.
I would've liked to see more blood and weapons, broken bones, and fewer energy blasts.
It's kind of ironic, because a lot of what I expected Shippuden to be like was explored in the Obito flashbacks. It's ironic because while that's what I expected and would've liked to see more of, I almost feel like it was too bleak and 'colorless' to be a high-point of the series.
I dunno, there's also something about seeing kids fighting that adds an extra layer of significance to whatever is going on.