The latest version of a complete MAME romset is 40+ GBs (with individually zipped ROMs). That doesn't even include the CHD images which are even larger. Of course, I have no way of knowing that ...

Is there a way that I can keep my MAME ROM set up to date? I've only been keeping up with new releases for a few months and have already noticed a few new versions. Is there a way to keep my set ...