You say the Flying Scot is a bit larger than you were hoping for. What were you hoping for? Most boats that will be large enough to take a family out, sitting in a cockpit as opposed to on deck, will likely be at least 19' long. There aren't that many choices in boats smaller than that, unless you're thinking about something like a Sunfish or a Laser.
How many people will you want the boat to carry at one time?
Are you thinking about a new boat or a used boat? (what's your budget?)
What kind of vehicle do you have for towing the boat and trailer? (what's its rated towing capacity?)
How deep is the water in your lake? What about the ramp where you'll be launching and retrieving from? Can it accomodate a keel boat (like a J22) or would a centerboard/swing keel be better?
You might look at the offerings from Vanguard:
http://www.teamvanguard.com/ (perhaps the Nomad?)
You might also consider a Lightning:
http://www.lightningclass.org/brochure.html
Regards,
Tim