A certain degree of confusion around not-yet-shipping products is inevitable, as hands-on information is limited and manufacturers' descriptions may be cryptic. In the case of the iPhone 5, Apple's not helping matters with its spec page for the Lightning to 30-pin dock adapters, specifically the mention of "iPod Out" not being supported.
The $29/$39 Lightning adapter certainly sounds pricey (and is generating some high-profile complaints for its cost), but one reason for that is the amount of work it has to do. As with