The two parts you will need are part # AB-FRD12 and part# AUX-POD. ($8 and $189) $197
, this charges the iPod and you can control the iPod with the stock HU
The AUX-BOX is $69 plus the AB-FRD12 at $8, then you could buy a Sik 'din' iPod dock-connector adapter for $22 and the total would be $99
, plus a mini-stereo to rca cable to connect them for a few bucks more. You can't control the iPod or charge it with this setup, but it is 1/2 the price.
Either way, it's cool for those who want to keep the stock HU.
Double-check to make sure it will work with your specific HU.
has them for the above prices.
Here is another unit like aux-pod called the Neo ION, complete for $189, and it charges and controls via HU as well.
I'm sure there are more of these coming out for stock and aftermarket HU applications, like the Alpine unit.