The game is years old, you can always pick it up for the X360 though it’s rather unnecessary to pick up an X360 arcade stick seeing how many moved on to new consoles. If your worried about so called practice, don’t worry about it. A bunch of players “get good” and the rest typically “stay casual.” That’s simply how things go.
i’d go with the PC as suggested. All sticks are compatible with the PC and there are lots of fighting games being ported to the PC. The best part is that there are no online subscription fees involved
the netcode for USF4 on the PC isn’t that bad, especially after the 4 patches. You’ll find more good matches than laggy ones. Capcom said that they haven’t abandoned the netcode issue and that they are still working on resolving it