Rated 5 out of 5 stars

I have no idea what happened, but now when I press "g a"
instead of just getting the results, my url becomes "g a >> amazon"
....?!

(no other extensions loaded)

This review is for a previous version of the add-on (0.6.7.20091104). 

autofill?

Do you have browser's autofill opiton set to true by any chance? This is the usual cause of the problem.