This computer have many potential.
Here is some examples :-
Personal Computer – All you need is :
And old monitor or an TV with html input
VGA to html connector
keyboard/mouse, usb, or with PS2 to usb converter
And some hard work to set it up.
Here is how :-
http://www.mdpub.com/pi/allinone/index.html
More other application :-
http://www.ibtimes.com/raspberry-pi-rising-7-incredible-projects-people-are-making-single-board-computer-video-1193315
Some application uses dedicated hardware to interect with the raspberry.. I will update once I’ve figured out how.