That's a pretty small boat for davits, IMO. There are 8 foot inflatables that can handle 4 people... look for a "larger tube diameter" model.. big difference in carrying capacity and dryness. An 8 footer could be stowed upside down on the foredeck during passages (esp if you have jib furling)
If you're going to be sailing shorthanded the wind vane could be helpful.. I'd keep it esp if you're heading off the coast.
By the time you get that dinghy and a small outboard for it, your stern rail will be busy enough without davits!
Congrats and good luck!
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)