I am going to buy a case for my father as his birthday present. He works in office and needs to wear suit in most of the time. Which case is more suitable to match with his dressing? As there is not much TX cases available in the market, please feel free to suggest some to me!! Thank!! http://www.dsstyles.com/sony-xperia...sony-xperia-tx-silicone-cases-lt29i-gray.html http://www.dsstyles.com/sony-xperia-tx-cases/grid-series-lt29i-black.html