I'd take a look at them all.......it's like going on interviews, the more you go the better you get....
Once you get out there and start kicking the tires, you begin to see what you like and don't like about layouts and features. You get to see the actual condition of the sails, running rigging, cushions, ground tackle etc..check for leaks..etc
Bring someone with you who knows boats, and can check the standing rigging, the hull and deck etc. to help you narrow things down.
I happen to like the layout of the Ericson, The dinette is useful as a chart table, dining, and a berth...it's a Crealock design. I like that the owner is willing to stick around and teach you to sail it.
The cat 25 doesn't have an engine or a trailor..if that's important to you..
Which brings up the question...do you want a trailorable vessel? Are you prepared to pay for a slip and winter storage...
I'd want to see all the sails...what shape are they in.
Picture yourself living aboard for the weekend...are the berths comfortable, how's the head, stove, refrigeration?