Buy.com has the Xbox 360 Wireless Controller & Play and Charge Kit in Black and Red for $39.99 with Free Shipping for a limited time.

The Xbox 360 Wireless Controller gives you 30 feet of room to play your favorite games. You’ll get up to 40 hours of gameplay from two standard AA batteries — or connect a Play & Charge cable for uninterrupted play. Plug the Xbox 360 Headset into the controller for full duplex voice communication – a wireless first. With quick access to Xbox 360 features including DVDs, music, pictures, and more, along with the ability to support four wireless controllers simultaneously, gamers can experience wireless freedom, precision, high quality, and performance for endless gameplay. Vibration Control with On/Off settings Xbox Guide Button gives you quick access to all your favorite Xbox 360 system activities.

Play and Charge Kit: Charge your controller and play at the same time! Complete with a charging cable and rechargeable battery pack, the Xbox 360 Play and Charge Kit is all you need to juice up your Xbox 360 Wireless Controller even in the midst of battle.