Mountain View's Computer History Museum has a wonderful collection of computer lore, including a small game room of some of the earliest coin-op video games.

If you're thinking about donating your 'precious antique computer' to them though, be aware that there are many devices they will no longer accept as donations.

Considering how often museums receive donations of dubious authenticity, I wonder if I should bother donating something of my own:

(click to enlarge)