Found this site which decodes your Macintosh serial number and gives you some interesting (ish) into.
http://myoldmac.net/FAQ/Mac-Serialnumber-decoder-e.php
Here is my Macintosh 128 for starters:
Manufactured in: F => Fremont, California, USA
Year of production: 1984
Week of production: 24
Production number: 29V => 2647
Modell ID: M0001P => Macintosh 128k/512k
Your Macintosh 128k/512k was the 2647th Mac manufactured during the 24th week of 1984 in Fremont, California, USA.