I decided to give in and try whatever this new version is that my program has been urging me to try for some time now.

Complaints:

• -Tabs are too square, having less rounded edges.
• To move a tab, it shows a ghost version of the tab with an arrow, and not just simply an arrow. I liked the less cluttered arrow from the other FF better.
• It took me forever to find one of my Bookmarks on the Bookmarks Toolbar, because it wasn't most used (oddly enough). I took care of the problem by removing the BZ-Koro myminicity link (with I would have though would have been least used). But before at least I could fit all my useful links.
• Bad-looking Navigation buttons, as with IE7.

Haven't had much time to observe this, though.

• Wikipedia added to search engines (finally!)
• Most Visited > Open All in tabs (easy to get to)
• When you delete a bookmark, the menu doesn't close itself.