When I attend the big races and build 19 turn motors for Team 1 drivers I use the Putnam brushes. Otherwise I use the 767's for club races. I would have to agree with Mike, less maintenance with the 767's as opposed to the Putnam's.
There is great need for a sarcasm font.
You never know when it will strike, but there comes a moment at work when you know that you just aren't going to do anything productive for the rest of the day.
Sometimes I post just to look at my avatar.