Tweaknews.net posted a review on the Logitech ChillStream Actively Cooled Gamepad

To say the least, this controller is a mixed bag of pros and cons with neither of them propping the product to be a winner or pushing it down to being an absolute failure. Sure this is a good ergonomic controller which should perform its gaming tasks with ease, but the main defining characteristic, the cooling, needs work.

Logitech ChillStream Actively Cooled Gamepad Review