One that was given to me already dead a few years ago, prior to moving. That I got running again by replacing Agnus. I forgot about it for a couple of years out in my garage to withstand harsh Canadian winters . I fired it up recently and it worked fine. I bought my first A500 in 1987, and I've put it through lots of abuse, not knowing what I was doing such as changing my own k/s roms from 1.3 to 2.04 and spilling my beer all over the works watching a hockey game on TV, and yet she's still going, and going, and...
(knock wood)