http://www.apple.com/downloads/macos...mboupdate.html
This link is for the combo update...the biggy.Quote:
About Mac OS X 10.5.5 Combo Update
Add a new Mac to your Mac. Mac OS X v10.5 Leopard is packed with over 300 new features, installs easily, and works with the software and accessories you already have.
Learn more about Mac OS X.
What’s New in this Version
The 10.5.5 Update is recommended for all users running Mac OS X Leopard and includes general operating system fixes that enhance the stability, compatibility and security of your Mac.
