Out of the "other" category, it's a tough pick for me between the Neo Geo and the Atari 2600.
Both have their charms and some great pick-up-and-play arcade action. NG obviously has way more advanced graphics/audio, but there's something about the 2600's simplistic pixels and sounds that has a quaint appeal even if I don't have nostalgia for it myself, never having had one as a kid.








