Just got a Surface RT 64 GB. I am playing videos that I ripped from DVD and put on an SDXC card. When I start to watch the videos using Xbox video, the begininning of the movies play fine. By the middle the videos start to lag a little but by the end they are impossible to watch because of lagging. If I pull the video off the card to the surface desktop and watch it, it is a little better but still happens. I'm ripping dvds using WinX platnium, ripping to MP4 format and files are 1.2 to 1.8 gb. VLC player gives me and error when I try to download it from windows store, error code 0x80240017. I am going to try to rip dvds to surface video, WMV2 format and see of that helps out. I have seen posts with streaming video problems, but I'm playing from my SDXC card, and the video plays fine at the beginning of the movie, it's just towards the end that it lags. Any fixes ???