This is an interesting concept for recording OTA programming. It’s called Tablet Television. Another cord cutting option. (I’m still sticking with my Tablo, in hopes that someday soon my Samsung Tablet will work as advertised.)
http://www.streamingmedia.com/Articles/News/Online-Video-News/Tablet-TV-Prepares-for-Beta-Launch-in-San-Francisco-98954.aspx
Here is better article about Tablet TV and includes pictures of the device.
http://www.sfgate.com/news/article/No-fees-no-wires-just-TV-on-a-tablet-startup-5708348.php#page-2