I haven't tried the Novus, but I've been pretty impressed with the Hut's Ultragloss. There have been times where I've gotten through the whole micromesh sequence and still saw tiny scratches left behind such that I was convinced I'd have to go back and sand all over again. But since I'm almost there anyway, I figure I'll see what Hut's can do before I start over. And, without fail, it somehow always manages to take the scratches off and still leave a more brilliant shine than just micromesh alone.
My typical sequence on plastics is to start sanding at p120. (Sometimes I'll go even coarser when I use the sand paper to shape. Maybe someday I'll get good enough with the skew to be able to start my sanding regimen at p180 or p240.) I dry sand to p320, then I wet sand p400 and p600. At that point, I switch over to micromesh. (I used to wet sand higher with sand paper, but I wasn't noticing much of a difference in final outcome.) I go through the whole micromesh sequence, wet sanding each time. Then I hit it with 3-6 coats of Huts, and then 3-4 thin coats of Renaissance Wax. I'm pretty happy with the results.
