They could be just an insulating front, but they claim this on their intro page:
Ixquick search engine protects your Privacy!
Ixquick does NOT record your IP address!
Read more on our Privacy position or go directly to Ixquick’s Privacy policy.
Yes; agreed. They use Google and insulate you.
I use them—a lot...like right now LOL. I am interested in new email provider and how to use Droid without Google tracking