Now I have something else that I can work on while the engine is out...
As you can see, I have a soft spot for Pioneer for some reason [:P]
AVIC-F910BT head unit, including GPS, same as jezza-boii's:

12 inch sub:

4 channel amp, 2 channels will be bridged for the sub, and the other 2 will be for my existing Kenwood door speakers:

Installation kit: