http://www.canonrumors.com/reviews/canon-70-200-f2-8-l-is-ii-usm-review/
Pros vs Cons
Pros
* Outstanding optical sharpness, a noticeable improvement over the
original lens, placing this lens equal or above the other three 70-200
lenses in Canon’s lineup
* Rich saturation and contrast (improved over the original lens)
* Very fast autofocus (even improved over the original lens)
* 4-stop IS system that is near silent (1.5 stop improvement over the
original lens)
* Close focusin
