I stick with IKEAS Bestas (w Dioder Lighting) for my PF's and especially my 1:1's. I have my Jaws Maquette that you mentioned displayed outside on the top of the Besta.
I was looking at the 6 foot Bestas for my new shelving they look perfect for my PF's and CM's- are they stable enough to have on the floor mounted on adjustable feet? I don't want it toppling over and can't mount them to the wall in my flat.
This is how I display my stuff. I bought the shelves at Ikea and added another shelf on top for my Jaws Maquette. Unfortunately I had to sell it but I'll get it back and display him up there. Remember to reinforce the corners of that middle shelf unit. I put shelf brackets under where Lurtz and Conan are because they are heavy...