The HP TouchSmart 600 is sort of like a girl I “dated” in fourth grade. I can’t say I loved her, but I can say that I really, really liked her a lot. But the TouchSmart never wore braces.
More at Gizmodo .
Light Touch
Light Touch™ is an interactive projector that instantly transforms any flat surface into a touch screen. It frees multimedia content from the confines of the small screen, allowing users to interact with that content just as they do on their hand held devices – using multi-touch technology.
More here.
from Alex Beim .
Atmel has just announced that its highly anticipated maXTouch mXT224 capacitive touchscreen controller chip is now ready for production release. Atmel representatives are positively bubbling with excitement about this product, which supports an unlimited number of simultaneous screen touches, looks out for unintentional touches and delivers smooth visuals with refresh rates of up to 250Hz – all on one tough, tiny, low-power chip.
More at Source.
Now that more and more smart phones and MP3 players have touch-screen interfaces, people have grown accustomed to interacting with gadgets using only taps and swipes of their fingers. But on the 11th floor of a downtown Manhattan building, New York University researchers Ilya Rosenberg and Ken Perlin are developing an interface that goes even further. It’s a thin pad that responds precisely to pressure from not only a finger but a range of objects, such as a foot, a stylus, or a drumstick. And it can sense multiple inputs at once.
… continue at Source.
Forget about wii. If your really want to game till you have a heart attack try this 
Sandbox is a brazilian company who develops software solutions for internet, desktop and multitouch tables with focus on aesthetics, interaction and usability, using technologies such as Flash, Flex, AIR and Java.