@jackdelare
there should be some here
NextWindow's Windows Driver Download
just read on and see if it matches your model
@waymack91xj
there are also other differences...
like if it has capacitive or resistive touch
resistive's pc are one's that are usually grainy
i myself know since i own one which is embedded in my tx2500z
wacom from i know relies on resistive touch while n-trig uses capacitive touch (read i-phone style touch)
i dont know for any else and i am research on the nextwindow which is used on the touchsmart...
also it whether there stylus support on the pc...
the thing is wacom their pens use electromagnetics or something like from what i read and also have first hand (i broke my stylus...lol)
i dont know for the rest since i havent tried them...
hope this can clear you up...