Hello,
Check this mysql manual is the best for mysql 5 features :
http://www.mysqldevelopment.com
Check the new GUI MySQL Turbo Manager 3.4 , support all mysql 5 features like triggers, stored procedures and views.
http://www.mentattech.com
Check the new MySQL Server 5.0.12.
http://dev.mysql.com/downloads/mysql/5.0.html
Enjoy