Since the PS3 controller was unveiled at E3 in early May, fans of the next gen system have bemoaned the lack of any rumble feature.  Rumors have attributed the lack of rumble technology to a patent dispute and a judgment ordering Sony to pay Immersion 90.7 million for using the rumble feature in the PS2 controller.  However, Sony has stated that rumble technology is absent from the PS3 controller to make room for the added motion sensing technology.  Today in a move sure to rile Sony, Immersion announced that it has technology which allows for the use of a rumble feature while also using the motion sensing capabilities.  While the move to add a rumble capability to the PS3 controller would appease gamers, it is not considered likely due to the bad blood between Immersion and Sony.