This one was packed in a particularly crappy manner: they put it in a box, then used a single layer of packing peanuts between that box and an outer box. Of course, it bounced around. The top cover was loose inside the box. Fortunately, nothing appears damaged.
The machine won't run, though. It appears the disk drive's lead screw is jammed. Tight. I couldn't budge it with even with a pair of Channel-Locks. Fortunately, it's the same disk drive I already have three of, so all I have to do is get it out of the box. Easier said than done: I'm off to the hardware store to buy a LONG 1/4" socket extension. There's one screw in there that's well and truly buried.