The PlayStation 4 is about to get some new controller designs - Polygon
How to Use a PS4 Controller on Steam
Amazon.com: PS4 Game Console Controller - High-Performance Remote Joystick Controller for PS4 PS3 PC Console - Dual Vibration, LED Lights, Built-in Speaker, 6-Axis Sensor : Video Games
Sony's DualShock 4 attachment adds customizable buttons around back | Engadget