The ADS Tech PTV-305 allows you to watch TV on your computer, whether it be antenna, cable, digital cable, or satellite.  It had 2 possible hooks up: Coxial lets you attach it to an antenna or standard cable.  The AV/S-Video hook up lets you attach it to any device the supports AV or S-Video output.

Winner of the red dot award for product design in 2006, does this Samsung 42" HP-S4253 Plasma Display perform as well as its designed?  I think so, and its no wonder its one of the best reviewed televisions available.