I just discovered this site and is the biggest multitouch developing community I’ve ever seen!
I am an student from Universitat Pompeu Fabra in Barcelona and in my degree final project I’ve been working on a tangible, multitouch virtual desktop using Reactivision.

The project is named TDesktop (website: tdesktop.blogspot.com)

Video:

More videos: http://www.youtube.com/bestsheep1

Please post your comments!!
ChAoS
PS: Sorry for my bad English.

hi Chaos, looking good man, nothing wrong with your English though

Hi Chaos!
new videos available on youtube, and TDesktop’s Blog

Yes I’m working with TDesktop too, here the video:
Edited: well, I can’t put the video here, then I give you a link: PlayList from Youtube

well, now some specifications:

Tracking fingers and fiducials with reacTivision Reactable project

TDesktop system, supports multiple tangible applications at the same time. By the time we have developed:
Turtan: tangible programming language.
TPlayer: tangible music player.
TPhoto: image browser.
TClock: like the xclock of xserver.
TWritter: plain text editor.
and a keyboard application.

We will still working for get an interesting platform to find new interaction metaphor.

Thanks for your support and sorry my English is poor but I’m working for solve it .