Re: catalina 320 vs catalina 34
I also have an older C34 ('86) but I've never been on a 320 so I can't compare the two boats. The C34 does have a very nice sized V-berth, I'm also 6'1" and have lots of room to sleep with my 80+ lb dog. I wouldn't say that storage space is really a selling point of the C34 but it's adequate for coastal sailing imo. There are two fairly large lazarettes in the cockpit which give you plenty of space to store fenders, PFDs, etc. Interior storage isn't hugely impressive, forward and aft cabins both have hanging lockers but they're smallish. Plenty of room in the main salon for storing miscellaneous stuff behind the settees.
Where in New England are you? My boat is in Portland and if you're up that way I'd be happy to show you around the boat.