Acquia Slate
http://drupal.org/project/acquia_slate

download
http://ftp.drupal.org/files/projects/acquia_slate-6.x-1.4.tar.gz

enable new design
Administer > Site building > Themes
admin/build/themes
Acquia Slate
check: Enabled
check: Default

fix blocks
/sites/all/themes/acquia_slate/block.tpl.php (line 7 and 27)
<?php if ($is_front AND $rounded_block): ?>
<?php if ($rounded_block): ?>

# todo

remove: Posted xxx by admin