Dalelane.co.uk has released a free plug-in for Pocket IE/ Internet Explorer Mobile for Windows Mobile Pocket PC devices. This plug-in adds a menu item to the browser, which when clicked on, pops up a new page prefilled with the URL of the webpage you were viewing and the title. You can optionally enter tags and notes for the selected website and choose to publish & save the link to your del.icio.us account using their API.
While there are many online mobile services allow you to access bookmarks from any social site, none of them integrate so closely with the mobile browser to save webpages directly to an online bookmarking site. Hopefully the author with integrate more social bookmarking websites into the plug-in as the major coding work has been accomplished.

To download del.icio.us for Windows Mobile, click here.