I'm trying to buy a video card for my new mobo my laptop seems to run my video editing programs decently but not 100% perfect because i'm upgrading to HD blue ray kind of stuff eventually should i work on getting a 256MB DDR3 or a 512 MB DDR2 (my mobo supports SLI also) i plan to use it for now im trying to get the pc going i'd like direction, low mb DDR3 or high mb DDR2