Coil comparison

So I have been hunting for a good ground between comfort and lift and still have not found the right combo.

COMBOS TRIED:
1. Stock shocks with stock 04 coils, too soft/mushy, too low (ground clearance)

2.stock shocks (04 2wd cc) with spacers which was fine but still not level, had cbc and shocks were blown out.

3.prorunner ss with pro4x springs stock setting - way too harsh

4.(current set up) prorunner ss with 08+ 4x4 springs - softer but still harsh on these crappy highways (Southern California)

So now i'm back to the drawing board and wondering

1. does anyone have an actual comparison between the 04-07 4x4 springs and the 08+ 2wd springs? And in comparison to my 08+ 4x4 springs

2. Would it be easier to run my stock 04 2wd springs and preload them with the adjust collar?

Any input would be great I wouldn't mind if the truck is 1 inch or so lower at this point..

It just is jarring right now when the pavement changes, over speed bumps, it likes to line follow, which it didn't do when it was on 04 springs.

Off-road if you are going fast 60+ it will do fine but it preloads off a lot of it rather than soaking.

Thanks in advance.