@Red - also posted in your other thread:
I'm running the Panny 815 (DVD-R) in the Mapower. It works fine in the CarPC running on my desk (I haven't installed the CarPC in the car yet).
Win XP Pro (SP1) - I refuse to touch SP2.
The XP install was installed with nLite (although I don't have the details of what I included to hand).
Full component specs are in my sig...