I'm starting to build up my collection of Griot's Garage products. The first thing the Edge will receive when it arrives is a Griot's wash, Griot's Clay Bar, and Griot's Paint Sealant (rather than wax, better for daily drivers). I just got the 6" random orbital from them and it's the best I've ever seen. It's not cheap stuff, but it's not ludicrous either for products that are made to bond and work with each other.
Griot's Garage