I'm think the Supaguard is a dealer option, but can't remember being offered it to be honest. I know a lot of folk, especially the pro's on detailingworld.com don't really rate it. I'm sure it will give some protection for a few months, but i wouldn't rely on it over a long period of time, especially with the weather we get in the UK! You won't go wrong with a good carnauba wax.
I see in your other posts you collect her tomorrow
- whats the full spec of your car? You will love it
- look forward to seeing the pics.