Hey Bill, I tried Sonus last weekend for the first time and I liked it. I have a 2000 Chevy S10 that is black. I Klasse'd it about 3.5-4 Months ago and I have used a quick detailer every week since then, sometimes twice a week (One Grand Show Off or Clear Pearl).
After my normal washing and drying, I used 1 Viper Microfiber Towel and started using Sonus. It was very easy to use, like Final Inspection, it required no buffing. I sprayed an area, like half of my hood, then wiped it off with the towel. There was no haze left to buff off. It made the paint brighter, not very deep like Show Off, but it looked very nice.
I liked this product because it was very easy to use- it took me half the time with Sonus as it did with Show Off. The results were great, it looked like I just applied some SG. The only minus is the price, but I can overlook that with its easy of use.