Looks like a good list to me.

Big ups to Google for boldly eliminating everything but the essentials on their new homepage. Take note, clients.

"Much attention has been focused on the forthcoming Wolfram Alpha search service. Will it be as important as Google has become? Perhaps! A new search paradigm? Yes! Or at least a new way of gathering information. A Google-killer? Nope! But when the service launches, it should become an essential in anyone’s search tool kit."

"It may not be a co-incidence that the new Google Public Data search option was announced on the same day that the much-anticipated Wolfram|Alpha data-centric "expert knowledge" engine was first demonstrated to the public."

Google's search dominance