18 months in, what are your thoughts on the Wii U Gamepad? Success or disappointment?

[Aquietguy]

Uabit said:
Useless and only making Wii U more expensive than a comfortable cool pro controller would :)

Useless? Care to elaborate on how it's useless after there's been games that's already showed how great the pad is. It's the best idea Nintendo has come up with and more than worth the extra expense.