I've got knobs and sliders aplenty. Buttons are one thing severely lacking in most MIDI gear, until now.
The fact that it also is specifically designed to work with Ableton is just the sweet icing on the cake.
Go see what sugar looks like, and realize that it's now called the Akai APC40. Cookies will never taste the same again.
http://www.akaipro.com/apc40-nn
happyhumans.org