I've received tons of great ideas and info from all of you.
I just never had much time to devote to using this thing, so here it is for sale.
Thanks to everyone for all the great advice!
PORTER CABLE 7424 6" ORBIT POLISHER, var. random speed - eBay (item 130311281590 end time Jun-14-09...
I just got my PC from Amazon! I was thinking of practicing with it on the family minivan. I'm not terribly concerned about screwing up, since anything would be an improvement over it's current status! I need to practice before I go after my Passat!
Anyway, the van has a few small rust spots...
I just bought a clay kit off the shelf. (Meguiar's Quick Clay) When I pulled the clay bar out, I noticed it seemed a little hard on one side of the bar. I haven't taken it out of the plastic yet. Has anyone ever seen this happen? Would you return it? Should I be concerned about an old bar?