I have a Proxxon DS 230/E Scroll Saw which is pretty handy for cutting very intricate shapes, especially on hardboard, ply and wood. There's a maximum thickness it can handle for each sheet material (metals included), but I cannot remember them right now, sorry. A selection of different blades as well.
I am pretty much newbie with using it though. There are a couple of things to watch with it, as I have learned: firstly, the size of board you can cut with is limited by the metal 'bow' on which the upper part of the saw rests. Something like 50 to 60 cm, I think. You can of course cut larger pieces but you need to plan it a bit (saw from different directions etc). Secondly, replacing the saw blades is a bit tricky, you need to get the tension just right, and the locations where the blades are inserted are bit fiddly and hard to access. And I did break quite a few blades while learning to use it. So with these caveats in mind it's pretty handy. I saw all sorts of base shapes with it.
Oh, and as it is a table model, it comes with two screws so you can fix the saw on your work table, so it doesn't move around when using it. It's not that heavy, so this is for safety. So you need a table you don't mind sticking screws on.