Apart from the IBOC specification itself, this is the closest thing to an IBOC Bible that you will find. Checkout digicomparison's Digital Radio page for more detailed reading about various digital radio systems, including HD Radio.
When comparing internet retailers, remember to include the cost of delivery in your calculations.
Retailers with low headline prices can often have higher delivery charges. Price comparison websites usually list the lowest headline price first, but the best deal may be lower down the list.
No description is really necessary, is it?
Watch supported 720p HD movies, TV shows, and videos in high definition on your HDTV
Send music to your home audio system
Charge your Zune HD player while docked
Allows syncing of supported HD videos
The missing link between your Zune HD Radio and your existing analogue FM car radio.
This device searches for the best available FM frequency and retransmits the signal so that it can be received by the car radio. For better audio quality, the device also has an AUX Out that can be connected to an AUX in if that exists on the head unit.
Batteries frequently encountered in HD Radio receivers and their Remote Controls.