InsaneJournal

Well, I have finished The Project that suddenly and abruptly decided to take over my life: I have moved all my bookmarks, including my collection of how-to's, to del.icio.us, and integrated del.icio.us into my browsing life. 876 bookmarks total. Done!
This may not seem like a big deal,  since there are quite a few ways to import bookmarks into del.icio.us. I chose not to use them, however, preferring to do it by hand. Why? Because I had tried wholesale importing in the past, and found it too be both slow and confusing. Folders simply don't translate to tags very well. So, I did it all by hand, opening each bookmark, posting it to del.icio.us with the proper tags, deleting it from the original source, lather, rinse, repeat. First My Google Bookmarks, then my local Firefox Bookmarks, then my Google Notebook Collections. All done, done, done! Yippee. I can finally find what I'm looking for quickly. Hee hee.
Strangely, I found that none of the Firefox extensions intended to integrate del.icio.us into Firefox really worked for me. Either key features didn't work with my setup, or they didn't offer features that I needed.  In the end, I used bookmarklets and one extension to get the most out of del.icio.us.
Bookmarklets:
Post to Del.icio.us - The official del.icio.us bookmarklet, takes you to the post page with url & title pre-populated, returns you to bookmarked page after posting.
Quick Post with 'toread' tag - unoffical. This auto-posts a page to delicious, pre-tagged as 'toread', and returns you to a xml error page (some sort of coding error here, however, the bookmarklet does work). I tweaked this one a little, substituting 'toread' for the tag that was originally programmed. I use this to quickly save stories that I don't have time to read right away. Suddenly, I have time to do my homework! Imagine that!
Extension:
del.icio.us IncSearch - this totally rocks. I use All-In-One Sidebar to load it in the Sidebar so it's always handy. Remember to sync it after you post lots of links.