Something like http://www.interworldna.com/images/summa/summa-cursors.jpg http://www.interworldna.com/images/summa/summa-cursors.jpg or http://www.interworldna.

Something like http://www.interworldna.com/images/summa/summa-cursors.jpg http://www.interworldna.com/images/summa/summa-cursors.jpg or http://www.interworldna.com/GTCO/gtco-ultima.php http://www.interworldna.com/GTCO/gtco-ultima.php ? There's a lot of brands of these, they're called digitizers.