The MagicTouch USB Touchscreen Kit lets you turn your boring old screen into a lovely, sparkly touchscreen so you can finger it, gesture at it, and generally play future tech on your rusting old heap of a computer. It’ll cost you $159.00 for the privilege mind you, so it’s not a trivial upgrade, but hey, what price coolness?
Touchscreen add-ons are an easy and affordable way to add touch screen interaction to an existing display. The touch add-ons that we offer will allow users to operate their PC by touching the display screen. Great for home, school, office use, and more. They are also a good solution for prototyping or demonstrating touchscreen applications. …The touchscreen add-ons are available in several sizes to fit a variety of computer displays. The touchscreen should be at least as large as the display area of your monitor.