[prashantv]

I switched from a Macbook Pro to the X1 Extreme as well, and have been very disappointed.

* The touchpad doesn't feel as smooth as the Macbook Pro (despite it also being glass) -- there's some sort of matte finish which gives it a more rubbery finish.

* The gestures are less accurate (I frequently activate 3-finger gestures despite only using 2 fingers).

* The buttons at the top are harder to use than buttons on the bottom.

* You can only click the touchpad on the bottom half.