Here's a list of all the laptops with Precision touchpads.
Precision Touchpads are a step up from the standard PC touchpads you'll find on most older laptops. Instead of your finger input being handled by various drivers, the input on Precision-grade touchpads is handled by Windows itself. Precision pads allow for more accuracy and some handy multi-touch gestures.
Not all Windows laptops have Precision Touchpads, but we scoured the internet to put together a list of the notebooks that do. (If you see an omission or a laptop that doesn't belong on the list, make sure to let us know.)
Full story from the WindowsCentral blog...