>>11929212
>How many ROMs do you have
A few hundred. Pic related.
>How do you organize them
By device
>What's your setup to play them
It depends. Flash cart, Analogue Pocket, MiSTer, or PC depending on what exactly it is that I want to do. I play the original carts a lot, so if I'm playing dumps than it's usually something like SNES games on Analogue Pocket (my go-to for RPG's), or maybe NES games in 3dsen or something.
>Discuss the best emulators and frontends
Frontends are awful. Just open an emulator and launch the rom like the old days. With a front end you will spend way more time tinkering with the front end than you will actually spend playing games, and usually the UI is awful.

Best emulator is whichever one gets you to play the fucking game.