Griots Garage ROP vs PC 7424XP

Well, after many weekends of having really sore shoulders and arms from hand polishing I believe have finally been broken.

Reading Mike's recent post on hand vs Random time frames, I am ready to purchase a machine to help out.

So here's the question, the Griots vs PC argument breaks down to raw stats as in amps (7 to 4.5) and wattage (850 to 500). Anyone have any real world experience with the two to substantiate the large difference on paper?

The movable handle on the Griots looks much more user friendly as well.

Have always heard great things about the PC, but those numbers are hard to ignore.