Recommended excellent extensions for Firefox 3 official version

Here are the best Firefox add-ons that I think are excellent: 1. Google Toolbar. The Google Toolbar provides various quick search options, rapid access to Google services, Google bookmarks, instant translation, Page Rank checking, and more. It's a must-have for me. Besides enabling quick searches, it also allows you to add many functional buttons (for example, Shared Stuff). One of the reasons I didn't upgrade to Firefox 3 before was because there was no Google Toolbar available for Firefox 3, as I needed to use Google...