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Hello jgortva, let me add one additional design aspect regarding your prop search.

There are some performance differences between a "round ear" prop and a "semi-cleaver" design as are a few of the Yamaha (painted black) stainless props. I transitioned to the latter when replacing my Solas to Powertech and immediately notice that my "getting on plane" time was cut in half and with less rpm.

Semi-cleaver props as is my Powertech in some discussion circles are considered "stern-lifting" props while the round ear assist in "bow-lifting". I have experienced each condition with my props and for my 15 Dauntless I prefer to get the stern up quickly when getting on plane instead of looking at sky when the bow points up.

I always tuck my drive completely in when getting on plane and this did not help with my Solas prop. It took time and rpm to get up on plane, great top end (wot), but useless when cruising or entering "no-wake" areas as the Solas didn't like slower to idle speeds. Maybe a smaller pitch may have been better.

The Dauntless 15 is very sensitive to outboard trim input, porpoising will be the immediate effect if excessive. You will need to test trim positions and each will be dependent on the prop selection. Avoid cavitation and starving the water pump with trim input. Stainless Steel props are better suited for running near the surface (jack plates, drive trim, etc.). Outboard height on transom also has significant input on the performance and trim effects.

Hope this helps a bit and good luck with your prop search...
Angel