RE: Ibo speed - to real speed?
I agree w/ what Ausie-guy said, adding to that, that whisker biscuit will likely slow you down an extra 8-10fps according to what I've heard several others say they got when switching to or from a whisker biscuit. Most bows set-up to "really shoot," don't shoot anywhere near IBO (meaning within 10fps). Part of the reason for that is most of us don't have a 30" draw, myself included, even at 6' tall. The other reason is that we are usually shooting arrows well over IBO weight minimums. Most of us have weight on the string, and that slows things a bit also. That being said, for a hunting bow, you really don't need 300fps, 230-ish is fine as long as you know your limitations.