In all the decluttering, we unearthed our old gameboys. I sold several on ebay along with the games I didn't want anymore, but I did keep this:
It is the gameboy pocket, so it's not a 5 pound brick (heavenly day). I kept Mario 1, Mario 2, Tetris, Wordtris, Tennis, and Prince of Persia. I've been playing Tetris and Mario 2, mostly. It's been a lot of fun.
This decluttering thing isn't all about getting rid of stuff -- it's also about finding cool stuff you'd like to use but could never find before.