Much like with Google’s recently launched (for everyone) personalized search results, or any other universal search results for that matter, the addition of real-time results is just one more element that can add to the challenge of getting organic results to show up high on the page. As iEntry CEO and WebProNews Publisher Rich Ord noted when talking about personalized search, this could give marketers more cause to focus on PPC, where they have more control over their campaign.
http://www.webpronews.com/topnews/2009/12/11/what-googles-real-time-search-means-to-seo-ppc-reputation-management