By some estimates, Firefox has surged to take anywhere from 12 percent to more than one-third of the overall Web browser market. But PC makers are acting like they couldn't care less.

And that doesn't appear to be changing any time soon.

Hewlett-Packard, Lenovo and Dell continue to pre-install Microsoft's Internet Explorer Web browser onto PCs, but -- save for the comparatively few Linux-based systems that Dell ships - - the OEMs continue to shun Firefox except in some custom-ordered configurations.