Thanks to everyone out there for your input. It seems we are close to choosing the 10 ft Walker Bay RID with the inflatable sponson. It appears to be comparable with the performance of inflatable RIBs, fairly durable, and comes in at about $2000 (cheaper than a RIB would cost you). With the inflatable sponson they look to be fairly stable.At 149 # they are a little heavy for their size but the 6 HP limit for the motor will keep me at 200# total weight which is in the range I was looking for since I have a sturdy arch system on the Manta 40.
The Livingston twin hull looked interesting, but looks like it wouldn''t be as stable. I''d could make a
dinghy out of a plan kit (as I have made a Cedar Strip Kayak recently), but I have a transportation issue getting it from MI to FL for a reasonable cost when we set sail for a month. Yhe Carolina Skiff I just looked at were all too heavy (250#)and wouldn''t work as a
dinghy. Although they looked nice for other uses.
Thanks again for your input.
Dave on soon to be ...s/v No More Mondays