The robot below is similar to the ones from the Asimov based I, Robot. Enjoy the wallpaper.
Below you can see a Windows 8 wallpaper, which leaked ahead of time on the web. If you want to enjoy it, just click on the image and you will get the full version, which you can save on your PC.
Karaoke is not for everyone, since it puts you in the center of attention, but quite a few people enjoy doing it.
A nice white keyboard wallpaper is below, a decent choice for a computer background.
This speakers wallpaper shows you a five speaker system from Logitech, on a nice blue background.
Want a more tech related background for your desktop? This hard drive wallpaper should do the trick.