These are types of the Chumby Mini Web Computer, it was a Web Widget App System with Touch Interface. Innovative System ahead of its time. It manifested in 2006 before the Touch Screen Tablet.
(the 2008 wayback link above is a clear indication that this chumby is grandfather of iPod Touch, iPad, iPhone, Android, Smartphones.)These innovations and rapid Hardware size shrinking, low power chips, flash+, wireless and broadband technology boost have lead to the Tablets you see today,
I made this post today when many facts feel in place and i came to the conclusion that the Tablets, AppStore manifested from the concepts of touch usability, widgets etc. that came from gadgets like chumby - 2012 delabs
The Desktop Computer wastes a lot of power but a HandHeld is green, sustainable. A 10" Tablet is the best way. So do not wait buy some Laptops, Notebooks, Tablets and Netbooks and use your Desktop Computer when necessary.