Re: buying a boat
many center consoles have room for a porta in the console. But many people (whether bow rider or CC) would rather not stuff themselves in that tiny hole to go, nor do they want to deal with cleaning it out. Plus if there's a head in there, you effectively lose your storage. So I suggest you start without one and see how your family adapts-add one later if it makes sense for your use. (hint: live wells make good potties for little girls).
There are lots of seating arrangements available in CC's. Some are stripped out to nothing (Parker's for example) which is not what most want for a family boat. Most have a large platform which is great for sitting, cruising, sunning and fishing, plus there's lots of storage under it. The boat manufacturers figured out how to make a versatile boat for all uses. Look at the Sea Hunt Ultra for example--very comfortable and roomy. A cc will almost always be roomier than a bowrider, making it as or more comfortable, and more pracical.