Concur with the OP.
Nintendo Land is not nearly as revolutionary as Wii Sports, but it's much better. I unboxed my Wii U after Xmas and played Nintendo Land with my family. It was a big hit.
Obviously, not all mini-games are created equal. My favorites are Mario Chase, Luigi's Ghost Mansion, and Zelda: Battle Quest. It's a really good party game, and it has huge replay value. And, like many Nintendo launch games, it helps players get used to the new controller.