It used to be easy picking out springs, but with the fast ramps on some of these new off the shelf grinds, it throw a monkey wrench into the old school thinking. I agree, and i'm not surprised, that the cam companies may be over "springing" their recommendations a hair. I've tried to research springs for a few members that have asked this same question, and it's not easy to find a single that will really give the top performance needed vs a good mild double that they recommend.
