In general this new feature won’t change the basic rules of SEO since Google’s algorithms will continue evaluating web pages in the same way as before. Webmasters should hence continue focusing on their content, traffic, and conversions. What changes however is the way users will go about finding information, how they interact with search results as they learn to use more specific search queries, and how they review the results before making a choice.

Google instate search will help trusted & highly authoritative brands, Google instant search show results as you type in to search box, that’s why it will be beneficial for those websites which have relevancy, trust & have  results of 1st page positions 1 to 3 .Those websites will receive high volume of traffic. Over all Google instant search is a big challenge for SEO’s in next year 2011.