Cool thing: The technology exists.
Stupid thing: Pretty much defies why you have power-saver profiles that come default with Windows XP/Vista/Win-7. A few clicks on the taskbar area, and you can change the power profiles already.
I think it's a waste of space design for mobile users within their chassis, software cluttering causing inefficiency and more bugs, and just stupid in general, fact it's from two seperate companies.
This may become obsolete in the future, when higher performance graphics cards adjust more to going into ultra-low-power mode as newer software engineering will allow more functions to just remain off until it is needed, in essense, to save battery life.
Recommended you don't get it if you just think it's cool, only if your options narrow down to the sole need: you really want to run an Intel based graphics solution and touch on more discreet graphics with the frame of the laptop/laptop specs provided.