[dec]

Hola,

Muy interesante artículo el que has enlazado Mario. Y los que refiere el autor del mismo tampoco parecen tener desperdicio:

Articles
Numerous articles have been written about the need for clean URLs. A few of the more prominent ones are cited here.

• Tim Berners Lee's Cool URIs don't change
• Jakob Nielsen on URL as UI
• Bill Humphries @ Zeldman's on URLs! URLs! URLs!
• Clean Up Those URLs with Apache
• Making "clean" URLs with Apache and PHP
• Search Engine Friendly URLs with PHP and Apache: Part I and Part II