ask and you shall receive: googlebar for mozilla. takes up quite a bit of screen space, because you can't move toolbars around, but it does the job.

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check out the hidden "next result" and "previous result" features for the real IE google toolbar:

you can crawl through search results by clicking the next or prev buttons instead of clicking the back button to the results page and then clicking the next result. i'm not sure i'd use it often, but it's fun playing with hidden features. regedit instructions to uncover located at this thread.