Just found a news from this. Take a look! Would this community be interested to develop a low-budget product from this?
Primary features:
-Capacitive tech.
-Can use stylys and fingernails
-Unlimited multi-touch
-Includes algorithms to provide gestures
-reports also touch width and width of a line drawn
-very fast response
http://www.atmel.com/products/maxtouch/landing.asp
http://www.atmel.com/dyn/corporate/view_detail.asp?FileName=maXTouch_5_26.html
:K
