with WD releasing their 2 TB HD theres always lots of room available to keep all the CHD files, Its to the point now where you don't have to worry about running out of space. I have a cabinet set up with GameEx front end as the main menu system and it handles pretty well all emulators. (including Winuae, if anyone needs the config files for the games, let me know). I created all the configs for each game to load properly within Winuae.
i think theres about 3000... and yes it took a while even with a mass text editor.