Add the following code as a bookmark to your IE browser, and bookmarking on del.icio.us will be as quick as with Firefox:
<a href=\”javascript:location.href=\’http://del.icio.us/post?v=2&url=\’+escape( document.location.href)+\’&title=\’+escape(document.title)+\’ \’\”>Post to del.icio.us</a>
[1] via http://ekstreme.com/seo/socialbookmarkingcode.php