The Release Notes, the Installation and Configuration Guide and the Installation and Configuration Guide are now available on http://wiki.sun.com in English + 4 languages -> French, German, Simplified Chinese, Japanese.
Here are the different URLs:
Sun GlassFish Web Stack 1.5 Release Notes
Sun GlassFish Web Stack 1.5 Release Notes (French)
Sun GlassFish Web Stack 1.5 Release Notes (German)
Sun GlassFish Web Stack 1.5 Release Notes (Japanese)
Sun GlassFish Web Stack 1.5 Release Notes (Simplified Chinese)
Web Stack Getting Started Guide
Web Stack Getting Started Guide (French)
Web Stack Getting Started Guide (German)
Web Stack Getting Started Guide (Japanese)
Web Stack Getting Started Guide (Simplified Chinese)
Sun GlassFish Web Stack 1.5 Installation and Configuration Guide
Sun GlassFish Web Stack 1.5 Installation and Configuration Guide (French)
Sun GlassFish Web Stack 1.5 Installation and Configuration Guide (German)
Sun GlassFish Web Stack 1.5 Installation and Configuration Guide (Japanese)
Sun GlassFish Web Stack 1.5 Installation and Configuration Guide (Simplified Chinese)