The answer and the new toolbar is ready. You can download the Google Toobar 5 in 29 languages and it is the the first Toolbar launched out of our St. Petersburg, Russia office. So head over to Google toolbar for Firefox site get yours.
The Autofill stands out as you can keep your profiles ready to be filled on your computer and those pesky sign up forms could be filled with just a one click.
Of course what is the toolbar without Google gadgets? you can add any gadget from the Google Gadget Gallery.
So lastly here is a video, that shows the virtues of Google toolbar 5 for Firefox.
Official Google Blog: Google Toolbar 5 now available in Firefox