For a clear comparison you must find a piece of foam approx
1-1/2" thick, put it on the floor of your rib, sit on it with your legs straight out in front of you, then drive as fast as you can! now you're comparing like for like, of course, there are are 100 other reasons why you may feel the rib is better, to just look at the hull visualy tells you very little, a difference in the width of the spray rails of 6mm can completely change the way a boat handles and feels, it's a delicate ballance.
Of course, your rib may just be a much better boat than your sports boats were (I had a very bad experience with a 560 driver once resulting in a 72mph involantary dissmount, see warped deadrise!).
I've been in horrid ribs, and i've been in horrid hard boats!
Clearly you are very happy with your rib, so thats cool, I'm not on here to try and convert you back to sports boats, I'll leave converting people to the jehovah witnesses !