I have 4 full time tables that are steel, a built in bench that is wooden with a 1 1/4" oak top. My main welding table is 2' x 4' and 48" tall, which I built to eliminate too much bending which has become a major concern due to major back problems, if you plan to do a lot of welding one of your #1 concerns needs to be comfort 1) for obvious physical reasons 2) you will weld much better if you are comfortable, when you weld you need to only be focused on your weld, not "I gotta hurry up and get out of this position".
Steel tables are best for welding, 1) fire 2) durability 3)you can ground the table and weld away, move it, turn it, flip it, etc. and not have to worry about a ground cable. If your gonna worry about splatter sticking then for a few dollars you can pick up a can of anti-spatter spray and coat the table every so often.
My main welding table also has a tool box built into it which is where I keep all my tools and supply's that I need while I weld, clamps , squares, straight edges, markers and soap stones, grinders and discs & wheels, and so on, plus I have a vise mounted to it.
I'll try and get some pics.
welder19