I used to but a big change in circumstances has meant most of it has now been sold.
You can't beat playing games on their original hardware (so long as you have the correct AV cables for the consoles to have the best output) however backwards compatibility means it's easier than every to sample previous gaming greatness legitimately.
I wouldn't recommend getting a new "retro" system though. They're generally not very good and have hardware issues such as poor audio quality which IMO kills the experience.
Mega Drive and SNES are 2 very good starting points :)