MOSS 2007 basic configuration

1, 3 web applications: intranet, mysite and SSPadmin;
2, Create and configure Shared Service Provider and associate 'SSP Administration Site' with 'SSPAdmin', 'My site Location' with 'mysite' web app;
3, Create top level site collection and associate it with 'intranet' web app;
4, Configure indexing through SSP Administration site.
5, For Excel Service, might need to configure SSO (Single Sign ON).