> > It's probably even bigger than a complete MAME set without CHDs.
> MAME 0.144 (No CHDs) 41.5GB
> Rollback 0.144 7.05GB
Really? It's been a long time since the last time I saw any info about that collection. Of course, MAME too has added a lot of sets since then. Anyway, if anyone need things like CPS-2 XOR files or bad dumped NEOGEO MVS "M" files, "MAME Rollback" is the best option.