Always a struggle to justify the cost increase for the 2 extra feet.. presumably the layout is very similar, just 'roomier', so you need to figure out if that extra elbow room is worth the premium.. that may depend on your intended use. One couple? Frequent guests? kids? etc
Tough call unless you simply can't raise the cash!
".. 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)
1984 Fast/Nicholson 345 "FastForward"