What legacy console should I buy?

I have the xbox 360, gamecube and N64. All my other consoles have either gotten lost or broken over the years. Now here I am, wondering which classic console is worth getting? Possibly an xbox or a PS2?

An NES?

A Dreamcast?

Any help here, because I know they're going for fairly cheap off the internet. Yes I know the question is a bit weird.

Ps2 or NES imo. They both are great systems and have huge librarys with games you can get for 5-10$.

Never had a dreamcast or xbox so i can't speak for them

PS2 for the same reasons. ;)

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Dreamcast. It boasts a solid range of games.