SteelSeries has announced the SteelSeries Nimbus (http://tinyurl.com/phzynk9), a wireless gamepad controller for the new Apple TV. It will be available in late October for US$49.95.
It packs a rechargeable battery with 40+ hours of life for extended play, a Lightning connector for rapid charging, a Menu button for instant navigation, and pressure sensitive buttons. The Nimbus also works with other iOS devices such as the iPhone and iPad.