I like the folding prop
My Hunter 34 came with a two blade fixed prop. I installed a two blade folding prop and the boat is definitely faster. I was told the folding prop would not provide the power especially in reverse but I have not noticed a problem. Works great in forward and reverse. There are two things you should know:
1. You have to be careful with a folding prop. You cannot shift hard from forward to reverse and back without going to neutral first or you will damage the prop. They are fragile.
2. They vibrate. They will not be very well balanced so they vibrate. This puts extra stress on bearings, etc so if you motor a lot it may not be for you. If you like to race like me and motoring is for getting in and out of the marina then the folding prop is great.