My personal preference would be a 4 post with a jack bridge, the best of both worlds. There are times you'll want weight on the wheels AND the vehicle up where you're not rolling around on the floor working on it. If you need the wheels hanging free use the jack bridge. My 2¢.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.