Hi Rob,
yes it is indeed a touch screen. Your finger effectively works are the mouse pointer and you tap or double tap the appropriate area. It works beautifully.
Had it set up in the car for six months now, and I'm really pleased. I love my gadgets and this is my favorite one. It was a lot of work, but I got there in the end. I still need to sort out a definitive 'free' radio solution, but there is a brand new AM/FM PC radio developed specifically for car PC Front End programs which I will be buying soon. I'll post details once it's in. Other than that this pc is capable of doing everything that my desktop does.... and more than even the latest incarnation of iDrive to be found in the new 7 Series.
Been distracted elsewhere of late, but I'll get back to this pc in the coming weeks - once I've finished installing a cut down, but no less impressive (IMO), system into my new van.
You're in Manchester right ? I'm only in Blackpool, so would be easy to meet up for a natter about your project if you ever wanted