Dana got an ElGato EyeTV and wants to know if he can use it with his television. Leo says no, that's actually a TV tuner for a computer. It's a great device, but if he wants to stream video on the internet, then a Roku box is a better option.
Dana wants to record TV programs and play them back on his TV. Leo says the computer is the right choice to record, since it has a hard drive and the ElGato EyeTV tuner. He'll have to connect his antenna or cable to the ElGato. Then he can use the software that comes with the ElGato to record.
To play back on the TV, there are a few options. He could put the recorded program on a USB stick and plug that into the TV. He could also get a Displayport to HDMI dongle from Apple. If he's running Mountain Lion, he can get an Apple TV and AirPlay from the Mac to the TV. The easiest way to do this, however, is to just get an actual DVR from his television provider.