I found this really great walk through of the thinkpad x200 tablet showing the touch feature for scrolling in firefox amongst other things:
http://jkontherun.com/2009/09/22/mob...t-pc-on-video/
After seeing this video I really think my next laptop might be a x200 tablet. The touch interaction seems very responsive.
Extensive review:
http://www.laptopmag.com/review/lapt...ultitouch.aspx