[rubbinisracing]

I have both, and I like to use the 4 post when the wheels don't come off. It's much quicker to just drive on and off, especially if you work primarily by yourself. The scissor jacks work great but they can get in the way, depending on the service your doing. The 2 post is handy when you need unimpeded access to the underside. The 2 post are also easier to to get around when lowered, they come in handy when lifting the body off and depending on access are much easier to make to approach from a 90 degree turn. If you have a straight shot to drive on the 4 post your good, but if you have to make a 90 deg turn you need much more space.

Ditto on the assymetrical 2 post if you go that way.

Rotary also makes an excellent 4 post lift for hobbyist called the "Revolution".

I have some 4 post lifts that have the caster option and they come in handy when I want to pressure wash the underside; I push it outside and then drive the car on and put it up and your good to go. Reverse the process and take it back inside.