Here's the secret of life: If you go nerd without pre-planning, you're just a dork. But if you crank that nerd factor up with the right glasses, shirts, etc, you actually become hip.
Plug the Logitec LDT-1S30X4U into the USB port of your PC and you will be able to watch two TV shows at the same time. Connect a second one, thanks to its double USB, (see below, along with a screen grab) and you get to watch four shows. All sorts of features make the LDT-1S30X4U worth a closer look, however.