The original post in this thread referred to an eBay auction for a 512K with a dead display. The seller told me it had a 400K drive in it, so I decided to bid, and got it for $1. (I also got a working 400K external for $3 from the same seller.) Anyway I just plugged it in - nice beep, but no display as reported. The fix? All I had to do was turn up the brightness! [] ]'>

p.s. it came with one of the original keyboards too - no numeric keypad.