The Lee Classic Cast and the Redding Big Boss II have through-the-ram spent primer handling, the others on your list do not (nor does the Lyman C2). TTR keeps spent primers and debris off the press, bench or floor, and where they belong in a bucket or catch bottle below the press.
The Redding UltraMag and Forster Co-Ax also have this feature. The UltraMag is a larger capacity (longer stroke) press than the others we have discussed. Depending on the sizes of cartridges you reload, that may or may not be a factor for you.
I use and highly recommend the Forster Co-Ax. It has its own snap-in/out floating die retention system, universal shell holder jaws, and many other design and construction features I find desirable. The over-the-top, down the front handle motion is unique, and may not suit your preferences, so if you are concerned about it, try to find a brick & mortar shop that has one so you can try it out a little. Cabella's carries it and has it on display. I find the high-mounted handle to be very easy to use myself, with no bending over to reach the bottom of the handle stroke. If a conventional press was mounted that high, handling cases and bullets would be too high for me. The tubular grip also affords multiple hand positions along the handle for just the right amount of leverage for the task at hand. You do need to use thicker, cross-bolt lock rings such as those from Forster, Hornady or Sinclair in the Co-Ax. Lyman also sells aftermarket cross-bolt lock rings, but does not include that style with their dies. The original RCBS lock rings were of the cross-bolt design, before they changed to the cheaper hex nuts with set screws. You can still find them at gun shows, etc. Besides working well with the Co-Ax, cross-bolt lock rings lock securely and squarely to the die body, without marring the die threads. No matter who made the dies, all mine wear cross-bolt lock rings, even before I got my Co-Ax.
Just curious, but what design flaws have you found with the LNL bushings? All of the presses mentioned except the Lyman C2 (and of course, the Co-Ax) are compatible with the LNL press conversion kit.
Andy