Man Kanda animation always impresses me. My favorite thing is how they can portray so much weight and movement through such a small amount of inbetweening. I swear, strong key artists like Imaishi can just animate on only Keyframes and it'd be totally okay.
Spazkid
it costs a fortune but the outcome is stupendous.
Hulalaoo
But.. but !!! i wanna more !!!