The rumors prior to E3 were that Gaikai and Sony would make a joint announcement at the show. Instead, Gaikai and Samsung announced that the TV maker would be adding Gaikai's cloud gaming service to their 7000-series and higher Smart TVs. The Sony Computer Entertainment aqcuisition may negate the Samsung SmartTV deal announced at E3.
http://www.businessweek.com/news/2012-07-02/sony-to-buy-cloud-gaming-company-gaikai-for-380-million
http://www.businessweek.com/news/2012-07-02/sony-to-buy-cloud-gaming-company-gaikai-for-380-million