Weber tuning articles originally found at
http://www.carburetorclinic.com/weber_tech.htm
The website is gone, but some of it has been salvaged.
Setting up your IDFs (PDF)
Cleaning the junk out and setting your floats
Thanks to Mark Masterson for this one.
Weber IDF Tuning (TXT)
How to properly jet and dial in your Weber IDF carburetors
Thanks to DarthWeber for this one.
A complete mirror of the website before it died
Thanks to Chris for this one.