TV+on+your+Mac

Pinnacle PCTV HD Pro Stick

It is a small adapter for the USB port. Cable for cable service connects right into the computer.

Sling Media: External box that hooks up to your home theater and uses an Internet connection to broadcast the signal to your CPU, phone etc. Now supports wireless.

Hulu.com Commercial sponsored streaming of many TV channels, cable and studio networks.

Universal Remote: Logitech Harmoney One Uses a web interface to set up your remote.