I switched from a monorail to a 4x5 Shen Hao (wood.) I really like it. It does what I need it to do. I went with a wood one because it's so beautiful. It's a piece of art itself. To me, the aesthetics of the camera are very important. I sometimes use it on a wooden Berlebach tripod, but mostly on my Gitzzo 1325 carbon fiber. It looks great on both.
Kent in SD