I wish Canon would switch there image stabilization to the sensor. In the film days stabilizing the lens was the best way, but now it seems more logical to stabilize the sensor.
That would be poor marketing on Canon's part, however logical and practical.
Yeah but then if the IS started acting all screwy I'd have to send the body in(most people I know haven't a back-up) and not be able to shoot. I'd rather send one lens and still have the ability to go play.
Just my take on the in body IS debate, not that that means anything.
I prefer the way Canon has it. If the IS was on the sensor it would have to be generic with lower quality results. Being in the lens each IS is fitted for that lens only optimizing the results.