Well, I got the 7424 and was taught some basics about techniques and chemicals from a pro detailer. I washed, clayed then used Meguairs #80 Speed Glaze and then #21 Syntetic Sealant. I was real impressed with the results and think it looks real good for my first time with the machine Some of the spots were tricky with the front and angles, so kinda had to tweak a few spots by hand. The #80 took out alot of the minor scratches and such that the previous owner put in it, especially the trunk lid where they must have used to set the groceries or something.
Here are the results