Not sure what your monitor size is ?
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Xperia x10 mini pro
Sony ericsson xperia mini st15i
Sony xperia tipo
Hi xperia s noob
Sony xperia s 2
Sony xperia miro
Camera and buold quality is really good. But the battery doesn't behave well. In http://www.completetab.com/sony-ericsson-xperia-arc-s/ they are telling that the battery life is not good. Only that can be a problem otherwise other things are going fine.