I bought a new hybrid USB TV Tuner from an eBay seller for around $32. It handles both ATSC and NTSC broadcasts. (digital and analog)
I will use it in my van. My laptop is 17" so the picture size is fine. So far, it works as advertised. At home, it will make a nice PVR allowing me to record the digital (ASTC) OTA TV channels we get.
The drivers installed easily on my desktop PC but I had to install them twice on the laptop to get it to work.