Ok Gary, since you did it and I've been thinking about trying it, did the beads leave any permanent marks on the seat? I've been concerned that the beads might stretch the cover materal due to the heat and leave "stretch marks" .
No, it hasn't left any marks. When I got home the seat was dirty and showed where the beads were, but a quick rub down with a leather cleaner fixed that. I have mine so that I can take it off and on whenever I want-it's not mounted permanently or even semi permanently.
The only reason I bought the pad in the first place was I was going to attempt to do a Saddlesore 1000 on my way back from doing a Route 66 trip and I wanted as much help/comfort as I could get. I even bought heat reducing base layer underware and a cooling vest for desert riding. All worked perfectly.
I probably will never use these items again in my daily riding, but I have them just in case of another long distance ride. I do like the beaded pad though and may keep it on all the time. I notice that I don't wiggle as much as I use to and I'm much cooler.
In MHO it's much more convenient then the sheepskin cover. I'm not a fan of sheepskin covers and will never buy one, but lots of riders swear by them.