I couldn't resist picking up this barn find from a "local" listing.
Not knowing what it was, I took a chance and was a bit surprised at what I found.

00:00:00 - Intro
00:01:24 - First boot
00:01:49 - Look inside
00:03:05 - The CPU
00:03:43 - The BIOS
00:04:30 - Boot cycle
00:05:17 - Hard drive issue
00:07:14 - Disassembling the PC
00:09:07 - The motherboard
00:10:34 - The L2 cache
00:15:08 - The CPU (again)
00:16:03 - Benchmarking
00:17:12 - Videocards and outro