The G10 series contains many of the top end features that will make this line one of the higher priced plasmas on the market. The line enters the market in March of 2009, making it the first new model from Panasonic to reach the market that year. New features include a 600Hz Sub-field Drive for fast processing video signals. It has the new feature "Infinite Black" that Panasonic is touting as its new black level. Of course there is 1080p resolution along with SD Memory card slots which allow playback from video recorders and digital cameras that are compatible with Viera Cast , Panasonics proprietary menu system. While we give no credence to manufacturer contrast ratios, Panasonic boasts an improved native contrast on this series to 40,000:1. All this really means is that the contrast will be better than previous contrasts but well have to wait to review the product to report how much. After calibration to D6500 contrast figures will likely be around 400 to 500:1. This high end G10 series is also THX certified which is an expensive and time consuming ad on which has relatively small payback according to Consumer Electronics Advisory Groups editor Robert Wiley. "This is an unproven specification enhancement which we feel ads a lot of cost and headache to the product without much return on investment. Its basically a certification to make sure the product calibrates to THXs specifications."