Sony Ericsson is planning to unveil the latest addition to their Xperia line of mobile phones in 2011. This is to be done at the World Mobile Congress to be held in Barcelona in February. As seen in the homepage of Sony Ericsson they have mentioned “Meet the new members of the Xperia family” which has everyone speculating that there would be more than one Xperia phone to join the family. If this is the case then fans of the Xperia line can’t wait to check out the latest addition. It has been reported recently that registration for the trademark names Xperia Duo, Xperia Arc and Xperia Neo have already been made.