I'd argue purist gamers aren't emulating at all. The super accurate emulators really target a very small audience. If you're really into old games, then nothing

I'd argue purist gamers aren't emulating at all. The super accurate emulators really target a very small audience. If you're really into old games, then nothing can replace the actual hardware. And nowadays you can easily use an SD based flash cart to get the main plus of emulation: download any game you want off the internet.