The EyeTV Hybrid from Elgato Systems is an external USB ATSC/NTSC TV tuner Mac. It turns your computer into a PVR by allowing you to watch and record analog or digital TV signals directly on your screen.
The small external device connects to your computer via a standard USB 2.0 connection. It lets you input video directly from a coaxial, RCA or S-Video source. It comes with the EyeTV 3 software package to watch and record TV, making it a great choice for watching and recording television programs on your Mac.
The turbo.264 HD from Elgato Systems is a USB hardware accelerator for H.264 video encoding. It can be used to convert video for use on the Apple TV, iPod, iPhone, and other devices that support the MPEG-4 files encoded with H.264.
The turbo.264 HD uses dedicated hardware to compress video. Software-based conversion can take up to an hour for a 15-minute video; the turbo.264 HD cuts that time to less than 20 minutes. This is an excellent option for anyone who has video content that they would like to play on their Apple TV, iPod, or iPhone.