Ever wanted to get rid of those CSS files you don't really need for your specific Drupal websystem. And can mess up your ow so beautiful custom HTML/CSS?
Contrib and core modules can really come in handy if used for the right purposes for the right functionallity. Here at Lucius we do a really really good screening before using a contrib module. Screening on code quality, security, activity, maintainers and so on.. With also in mind: the scalability of your Drupal websystem and the future of Drupal itself: will the module likely be continued in Drupal 7, for example.
Some of those contrib (and core) can generate a CSS file that will be included in your HTML head.
Here a little piece of code that will 'unset' these. Off course you have to alter the code to your system specific: only unset the ones you want to unset.
The allmighty theming code
Insert this snippet in your theme's template.php
* Override or insert PHPTemplate variables into the templates.
// Unset insignificant stylesheets.
$css = $vars['css'];
$vars['styles'] = drupal_get_css($css);
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