Now it's times for tablet computers to upgrade to Quad-Core CPU from dual-core cpu. Many manufacturers have started to update the chipsets in the tablets. However, most of them would only change the chipsets but without update the appearance with the same model. Ramos is one of the difference, there was a new exposure product named "mini Pad". It looks quit fresh and beautiful.   After Apple released the iPad mini, it brings us new trend of small size display tablets. Especi……