There is a Delicious App for your Blackberry. You can download and purchase the social bookmarking App for $5.99 from Blackberry’s App World.
This social bookmarking App will allow you to post a bookmark and search Delicious bookmarks directly from your blackberry browser.
Other Features Include:
Posting bookmarks to Delicious
Searching Bookmarks on Delicious
Integrated in your Blackberry browser