Hi! I'm pretty familiar with the DA and Meguiars products. aim currently working on a 2007 Cadillac STS Black. I have been using a DA with foam pads. I'm using either M105, M100, or even Ultimate Compound. And it removes the top swirls and minor scratches but for the life of me I can not get the slightly deeper scratches out to get that full clear paint! I have tried using the different above mention products and using different stiffness pads both Meguiars and Lakewood pads to no avail. Tried different pressure and speeds on the DA as well. Nothing. :/ It's highly polished with these products but can't get that super clear coat without removing those slightly deeper scratches. Should I opt for a wool pad on a DA? Get a rotary? Not doing it right? Help me out. I don't think it's bad enough for wet sanding..