Hans Geissler (
[email protected]) has a G-Cat 5.0 (16') for sale at the factory in FL. These are great boats that can handle a lot of situations.
They are simple to sail, in that they don't have a ton of adjustments (though if you want to race you'll probably start adding adjustment features) and no dagger/centerboards.
They have enough bouyancy to carry about 1000lbs (that's like you and 9 pretty girls), and with the front trampoline they've got the space to seat about 6 people easily.
Though parts are sometimes difficult to find, it's easy to retrofit more accessable parts onto these boats. Hobie rudders can go on the back, a H16 mast tang works just like the stock one, etc.
These boats are built very tough. There is a lot of fiberglass in the keel area so you don't have to worry about hitting rocks when you beach the boat. They have styrafoam blocks in the hull for extra support and floatation.
What can I say, I'm biased

At 5'10" and 145lbs, I solo a G-Cat 5.7M (18') on Tampa Bay and the Gulf of Mexico fairly often.