Auto Guard Paint Protection. What's the deal?

spearfish25

When I bought my 370 in March, the Nissan dealer offered me Auto Guard paint protection for $800 describing it as a clear coat spray that gets repeated every 6 months for 4 years. I refused at the time, but they listed me as having purchased it anyway. Today, they called and said I'm due for a treatment, I told them they made an error, and the guy said "well, you're listed as having it so just come get it."

So, potentially free Auto Guard for me. Do you guys know anything about this stuff? It sounds different from Clear Bra which is specifically for stone protection and only gets sprayed on the front bumper, hood, and rocker panels. This Auto Guard stuff goes on all of the paint and is marketed by Nissan as a clear coat rejuvenation. They claim it's ok to spray over existing chips and scratches and doesn't preclude you from respraying the car in the future.

Any input or advice you guys have would be much appreciated. If it's worth doing since it's free, I might as well. However, I don't want any headaches in the future when I'll eventually respray my hood and front fascia.