Mines a Hoyt protec 05 and I was looking at the hype that came with it and they were explaining the different cam functions. The speed cams were supposed to be harder to draw than the ones I have which are made to be a more gradual draw. I suspected they did something since it was and continues to be a very easy pulling bow. I've crono'd it at 291-292, no slouch either.

See if the bows your interested in give some info on their cams and pulling them.