Know of any true bullet proof equipment stories?

Most all of Nelson Pass's amplifiers both Threshold and Pass Labs are built like brick chit houses.

Bumped into one of my B&W 804s while vacuuming one day. It dropped like a rock and hit my carpeted floor with a major THUD. I thought, my G*D, that's it, the drivers are toast. Fired up my system to listen and drivers worked no problem. Now I am looking for stable speaker stands...