Download this free Wordpress Theme:

SimpleSite 1.0
(unzip it to your /wp-content/themes directory)

theme by Nathan Beach (nathanbeach.com)

Features:

- ultra-simple stripped down Wordpress theme
- simply create Wordpress Pages for top navigation links
- short pages will auto-adjust their height to be full-size!

- includes clean, documented html / php
- includes clean, documented css file
- includes ExtJs 2.1 core integration
- tested in Firefox 3, IE7, IE8, Chrome 1, Opera 9, and Safari 3

See it in action (with custom colors): heightspark.com