Delicious is the best iPhone client for Delicious.com, it is full features app. It's features include:

• Add new bookmark on your iPhone
• Management Bookmarks (Add, Delete, Edit)
• Management Tags (Delete, Rename)
• Fast filter for tag list.
• Search a tag.
• Random Website.
• Build-in web browser, don't jump out this app.
• View world popular bookmarks.
• Go to random website, spend your boring time.
• HTTPS Protocol protect your information safe.
• Full Screen Web Browser in Landscape Mode