George, the last time I whined about this, I swear you had suggested I try a particular BRAND. I promised to try it, and never did. I'm still willing.
I used 3M yellow and gray pads. The gray is the softer, finer of the two and specifies use with Finesse-It II finishing material, which is exactly what I use to take the surface to its highest level of shine. Both of those pads reduced the shine I had achieved with Finesse-It II and the 3M yellow wool pad. (in 3m's wool line, orange is coarse, yellow is the medium and white is finishing) So really, the foam was only competing against the mid-level wool, and I was still disappointed.
I'll also note, and maybe I can count on some of my friends and neighbors to chime-in with a comment (albeit forced) about the condition of the transom, it's about as shiny as it'll get. So that's not to say that HUGE progress can't be made with foam, but that in my experience, there is a limit.
I have also learned the hard way using dangerous techniques and materials, so I won't discourage ANYONE from playing it safe. "No Risk" is a great term, but no risk implies limited gain as well. It took me a while to fully appreciate the power of Finesse-It, and I have to give George credit for what I think is even more important than speed, machine brand and pad: a spray bottle. Finesse-It doesn't break down like Buff Magic. It comes right out of the bottle very, very "fine". It's supposed to dry as you work, which is one of its dangers. It's also one of the COSTS. By applying a detailers spray or simply adding water, you can mitigate the risk of burning and GREATLY stretch the product. I'd say each pint of water you use saves about $15 in product. No kidding.
Spike, by durability I'm referring to it's staying power/longevity and resistance to forces such as soap and sun. While polymer products are much more advanced and often have attributes that make them more user friendly, I'm not so quick to dismiss the Old School. I use no fewer than 5 products on the boat, depending on condition, location and purpose of the surface. When applied side-by-side, I've found that Fleetwax to have unmatched shine and durability. I can't put it everywhere though. It's LETHAL on non-skid, it can yellow, and the surface MUST BE PERFECT or it will attract dirt.