I have an Atlas 2 post symmetric/ asymmetric 2 post lift that I have had for 11 years. It has been flawless. The cables are on top so there is no floor plate.
In my opinion, there is no "best lift" between a 2 post or 4 post lift. Each has it's pros and cons.
A 2 post lift is easier when you need to work on the car - more room underneath. It takes up less room too but has to be installed properly.
A 4 post lift is easier to load and you can better protect a car that you park underneath it. It takes up more room but it can be moved around and needs no special floor preparation.
For my 2 post lift, I bought one metal 4 x 8 roof panel that I narrowed a little bit and then I hang that underneath the car above. It does a decent job of catching spills, but certainly not as good as a 4 post with a full set of floor panels installed. Picture below isn't the greatest, but that's my 70 Road Runner up top with my "beater" daily driver 69 Vette below. Note the wood furring strip under he axle of the Road Runner. That, along with one at the front, holds my home made drip tray.
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