Have you ever owned a console that wasn't from Nintendo/Sega/Sony/MS (and if so, what was it and how was it?)

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Lots of good stuff here, keep it coming.

As far as myself, I have an Atari 2600 (which feels like cheating tbh as it was THE big brand in its time) but also a Neo Geo AES which is great, more of a novelty overall but still cool to have, the sprite graphics are incredible.

My brother who I live with has a Turbografx-16 but I don't know if he even has all the gear to set it up, he bought it just as a collector.