VICE on Linux should be as good as WinVICE, FS-UAE is using a different approach than WinUAE (Launcher + Emulator excutable, + "ingame" menus that can be used via Joystick) but is very good already and improving constantly.
I don't know why I'm making this post but....your message invoked me to look up fs-uae and I ended up watching a video containing this worse-than-baby-jo game (don't remember the name already), here's a screenshot:
