The Atari 5200, which came after the Atari 2600, came out in
1982 as Atari's answer to the ever more sophisticated
Intellivision. Luckily there was an adapter that would
allow a person to play all their old 2600 arcade games as well.
Later came the
Atari 7800.
All of these can still be purchased! Follow the
eBay link below to see what is currently available.