just loooking at the web page. Why the difference in the IBO rating. Crossfire 30.5" AtA,nitro 2.0 cams,320-325fps. FC400 32.5" AtA,nitro 2.0 cams,335-345 IBO. I'm not currently in the market for a new bow, but for some reason the Crossfire appeals to me. Maybe it's because it seems to be ignored.