UTF-8 en PHP y MySQL

- UTF8, PHP and MySQL – Rob Allen's DevNotes
- Web-O-Blog: PHP, MySQL and UTF-8 encoding
- Converting Character Sets - MySQL Performance Blog

Algunos ejemplos:
1. para PDO:
use PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES "utf8''
http://framework.zend.com/issues/browse/ZF-1541

2. para Zend DB:
http://blog.welmers.net/bastiaan/2008/12/zend_db-and-utf-8.html