Left Click, Right Click, a Left Button near the scroll wheel, a Right Button near the scroll wheel, the scroll wheel itself, 2 buttons below the scroll wheel, 2 thumb buttons on the left side, a 4 way d-pad on the left side, and 2 buttons on the right side.

Quite an impressive amount of buttons that I can actually see myself using. The problem is from trying it is that the Right Mouse Button was extremely mushy and didn't always respond right away. However the models on display at Blizzcon were the first ever production models they had apparently so I guess they are going to work out the additional kinks in it. The software can keep various profiles of mouse settings for different games or classes in WoW. Something else that's cool also is that the lights on the mouse actually change color to match the profile you are using so you can tell by glancing at your mouse what profile you are using.

God I sound like a salesman but I was really impressed by this thing. If they can fix the Right Mouse Click I think it's a definite buy for me.