In November, Google began testing and rolling out their new drop down menu to Google users. Since then, it has been a very very slow roll out. In fact, I personally do not see the new drop down meny unless I go to Google Australia or other Google localized versions - I am not sure why - to be honest.
Lots of Google users see the new drop down that looks like this:
But what I see and have always seen since November is this:
Ruben at Google Blogoscoped Forums has been flipping back and forth between the different drop down menus. He said Google is testing this new, which is old, version again.
I just think Google has not fully rolled it out yet and people are still in limbo.
Forum discussion at Google Blogoscoped Forums.