Turn your LCD monitor into an HDTV! I used this on my iMac with Elgato software (eyetv) and used my iMac as my HDTV for the past year.

Comes with unit and wall plug. $99 shipped!!!

Silicondust HDHomeRun Networked ATSC Digital TV Tuner - Meritline.com

Silicondust HDHomeRun Networked ATSC Digital TV Tuner