blekko is a much publicized new search engine, but it is still in private beta. To get an invitation one has to promote the company on FB or Twitter. See below.
My new book, Billion Dollar Company: An Entrepreneur's guide to business models for high growth companies, is available on Amazon. See the fourth strategy Porter should have added, determine if the market opportunity is large enough to interest venture capital and learn the 5-step process to really develop a business model. Book website.
