Hi Dave,
Thank you. That is a great resource for you, and am very pleased the tutorials have been helpful. I always tell folks "You'll learn a ton about your machine and Designer layout techniques by doing the POM's!" Many users have called or emailed letting me know how much that has helped reduce their learning curve and also open their mind to the possibilities these wonderful machines offer the woodworker.
As Jerry mentioned, Otto Frei is another source for the 3M Discs (I think they might be a little lower priced than McMaster, too). The Red ones are 220-grit. I also order the Yellow ones (80-grit). Makes initial cleanup a little faster, then you can follow-up with the 220-grit if necessary. I've developed a "light touch" with the 80-grit, so I don't use the 220-grit as often as I used to.
Thanks again for the kind words. The POM Subscription will make a nice Christmas gift for you!