Double Din Stereo Head Unit

[GazChap]

I'm after a double-DIN sized stereo head unit. Make doesn't matter particularly, and it doesn't need to have a double-DIN sized screen (as long as the whole unit is double-DIN).

The only caveat is that it MUST have a compatible iPod adapter that allows you to control the iPod through the head unit. Although if you have a head unit that supports this but you don't have the adapter, that's fine as long as you can tell me what adapter I need and I can find one available for sale somewhere.