Should I ladder bar or 4 link

If you are willing to learn and that is a big IF and IF you are willing to tune, the 4 link is quicker, faster, smoother and much more tuneable that a ladder bar.

Me personally I would never use another ladder bar. But you have to understand instant centers, how the IC works with shocks and how the 2 step affects it all.

I say 4 link and learn.