Would loosing 3-5 mph top end for much beter acceloration from 3500 up be worth it to you guys?

Depends on the top end. If I was going from 95 down to 90, not a big deal. Going from 75 down to 70 would not be worth it.

Top end is not a factor, rough water offshore conditions are a must for me......

I'll take that small prop , throw ya back in the seat anyday over that top end leave ya hanging big prop!

EXACTLY.....

really depends on where you boat, I boat at LOTO and only go maybe 10-20 miles in a day, and it's so rough a good mid range cruise is the most important. top speed for 95% of the boats is unattainable in weekend water conditions,

Also, what size boat and what drive? There's noth'in like a snappy throttle on a smaller boat, but could cause drive problems on something larger.

My boat would be a little faster with a differant prop but I like the better cruse speed from my 5 blade sence my average weekend cruse is 100 miles min. My set up now will give me 49 to 53 depending on tide flow at 2800 to 3000 RPM and a 101 with 5 girls a 100gal's.Over that I'am not fast enough for the big boy's anyway.There is a lot of boats under a 100 to play with to have fun a make friends.

Thank You
Im asking because soon there will be some simple mods on the avanti

Now we have two customers with Quadrotor motors in single engine boats that have the best of both worlds.