"Stock Photo: Computer Keyboard" on Shutterstock:
http://www.shutterstock.com/pic-10363072/stock-photo-computer-keyboard.html?src=pp-same_artist-9991294-1&ws=1
http://www.shutterstock.com/pic-10363072/stock-photo-computer-keyboard.html?src=pp-same_artist-9991294-1&ws=1