Do you like this theme? You can download it at drupal.org:
Zenland
There are also other themes I make for free based on Holy Grail technique:
Plain Grail
Blog Grail
Dark Grail
The logo in use in this site is drupal logo since it is a default logo for all drupal contributed themes. You can test the themes right on this site by logging in with the provided login box.
Enjoy!