Super Smash Bros. Melee?
Animal Crossing?
F-Zero GX?
Pikmin?
Wario Ware?
Starfox Assault?
Mario Golf/Tennis/Baseball/Strikers?
Luigi's Mansion?
Mario Party et al.?
Game Boy Player?

I don't think it was disappointing at all. Even with the Wii, it'll remain a mainstay in my entertainment setup.

Nintendo always supports their machines with the games people want to play. It might scare some third parties away, but it was never common to see a 'Cube Exclusive' game anyway.