I have both the two post and the four post. I find myself using the two post more than the four. However i have a 30x50 3 bay shop. Given what you have stated and the size of your shop. I would purchase the four post. Yes it does have limitations. But with a hydraulic roller jack those...
For me it is safety glasses. While not really a tool, I find it way to easy to chance it if they are not readily available.
That's why I have about fifteen pair. Have two or three at each work area.
A lot of good suggestions are given above. The thing I find most annoying about my four post it does not raise up high enough when empty. It is fine for lifting cars. However, when it is empty and I want to raise it up to have clear floor space. I bang my head on the runners.
I have a 30x50 built with cmu. I have gone the other way on widows, I have none. My last garage had windows and light seemed to always be where I didn’t want it. It made it difficult to see in to an engine bay when light was shining on the fender. I do consider 14’ ceiling a must for full use of...
The closest I am getting to a bomb shelter is my 30x50 cinder block garage, with concrete filled block.
It may not survive a blast and definitely not radiation. However its good for hurricanes and cold beer!