Hopefully they don't kill the Dualshock, since it really is the best controller to ever grace the console market. My guess, though, is that they'll keep the same basic design, but throw in some unneeded bells and whistles.
I swear, the Wii is the worst thing to happen to console gaming. Now every company thinks they need some sort of control gimmick to sell consoles.
Only problem is that this is kinda true. They are selling much more consoles.
The Kinect gave the X360 another 1-2 years of life basically