Below are some additional devices not in the list:

 

3M 10 finger Developer Kit $1499
19", 1440 x 900 pixels, 3.6 ms response, Projective Capacitive with 15ms touch response, VGA/DVI
http://packardbell.co.uk/filelib/UK/pdf/press/2009/PR_viseo_200T.pdf" target="_blank">http://solutions.3m.com/wps/portal/3M/en_US/TouchSystems/TouchScreen/Technologies/Multi-touch/

 

Packard Bell Viseo 200 Touch £199
20", 5ms response, 50000:1 contrast, VGA/DVI/HDCP, 2 speakers
http://packardbell.co.uk/filelib/UK/pdf/press/2009/PR_viseo_200T.pdf" target="_blank">http://packardbell.co.uk/filelib/UK/pdf/press/2009/PR_viseo_200T.pdf

Acer T230H $500US
23", 1920 x 1080 pixels, 300 cd/m2, 2ms response, VGA/DVI/HDMI
http://indyposted.com/5594/acer-shows-off-23-inch-t230h-multi-touch-monitor/" target="_blank">http://indyposted.com/5594/acer-shows-off-23-...inch-t230h-multi-touch-monitor/
http://us.acer.com/showrooms/touch/touchscreen.html" target="_blank">http://us.acer.com/showrooms/touch/touchscreen.html

Overlay from PQ Labs supports Windows 7, even if they are expensive.
http://multi-touch-screen.com/" target="_blank">http://multi-touch-screen.com