Two very good articles on best practices for MOSS 2007 / WSS 3.0 installation:
MOSS 2007 Installation
http://www.sharepointforum.se/en-US/Wiki/Installation%20MOSS%202007.aspx
WSS 3.0 Installation
http://www.sharepointforum.se/en-US/Wiki/Installation%20WSS%203.0.aspx
