This gameplayer article examines how Sony has dealt with the issue of no rumble in the original SIXAXIS controller and how they are not treating thier loyal fanbase with respect in the way it's releasing the DualShock 3.
"So the chain of events goes as follows: Sony makes mistake. Consumer forced to buy mistake. Sony realises mistake and makes an amendment. Sony makes consumers pay again to replace the old semi-functional controllers they bought the first time around with the fully-functional version they've fixed."