I noticed Google have been displaying their own product search options in a seperate box above the paid listings on the right hand side.
When you run a search, Google shows a box which gives you the option to choose to run the same search on one of Googles other products, whether thats, images, news, groups, books or Froogle. I have seen similar things before, but never above the paid listings.
I took a screen shot.
I am suprised how prominent this trial is?