Multi-Touch Projects

I came across these great links regarding multi-touch.  I think i am going to need to build a coffee table..

Building the touch surface:
http://www.digitalstratum.com/programming/ftir_build

http://tbeta.nuigroup.com/   - supported by Google SOC

http://hackaday.com/2008/05/20/multitouch-project-roundup/

http://gizmodo.com/391103/full+screen-multitouch-mac-os-x-is-here

http://wiki.nuigroup.com/Tbeta_-_Getting_Started

http://labs.ideo.com/2009/02/11/hacked-rear-projection-tv-into-multitouch-display

http://hackaday.com/2008/05/20/multitouch-rear-projection-tv/

http://hackaday.com/page/2/?s=multi+touch

http://www.softmt.com/