Try mGalaxy, a fully-baked commercial package which meets modern standards of intuitiveness and useability; I thought it was a breath of fresh air compared with Hyperspin. The package contains two apps, one to launch the frontend itself, the other to configure everything. Configuration is done through a GUI, and the tedious stuff like fetching art, history, marquee, etc for the game database is fully automated (though it can take a while if you have a lot of ROMs). The interface itself looks great (subjective of course, but I prefer it over Hyperspin), is easy to navigate with joystick/spinner/trackball, and is stable. Functionally, it is just as easy for guests to navigate as a cabinet built around the xx-in-1 JAMMA boards, but looks much more elegant.
The free version is fully functional, but the paid ($25) version adds a lot of very nice skins and unlocks numerous advanced configuration settings. (Personally, I think even the free version would be worth a $25 donation just to thank the devs for making things so easy compared with the open-source stuff!)