the plastic fascia just had a wet n dry, then a matt spray, it's as good as you're going to get (in some lights you can still tell the difference) , the rubber seal needed a bit of coaxing to get it to sit perfectly (I use the tilt on the screen quite a bit, so it needed to be absolutely perfect)
Headrests :)
Orginaly I'd planned to fit a freeview box to the kenwood, but to be honest it seemed a bit like overkill. I'd love to fit an xbox (modded) into the boot somehow without getting rid of the spare, I've got a couple of chipped xbox's knocking around that could do with a home! But I'm not 100% sure what I'd do with them. Could either run a video input to the kenwood (and therefore use XBMC from the xbox) or treat the xbox like a USB hard drive as another media source (on top of the ipod)
EDIT: HID's are also on the list, but I know absolutely nothing about them, how to fit, whats good, price etc etc, so it's probably going to the back of the list