You'll get lots of opinions. Here is mine.
I tow a 1963
Trade Wind 24' which weighs 4400 lbs. (loaded). I use an Equalizer and have had no sway problems, even in strong cross winds. It is very easy to hook up, and I have not had the rivet popping some have claimed. I do have a new Henschen axle however.
I tow with a Jeep Grand Cherokee diesel, so it is not as stiff a suspension as a truck.