GTs58
I'm the Wiz, and nobody beats me!
I've never tried the magic eraser but the cleaner wax may be a great option. I've been using Turtle Wax Polishing Compound in the back bottle, not the silica based stuff in the tub. Works great on my browned out Corvette seat tube decals and does the trick on cleaning up the excess clear around the decals when they're brown.