No problem Chris.
I'll give you a call when it arrives, and then make arrangements to bring it out to you. The back plate is a 6" plate, so the pads should be the 6 1/2" pads.
"The Junkman" has an excellent thread on the proper use of this polisher for maximum results on the VCA Forum appearing under the sub-forum; Viper Detailing Tips and Tricks.