I wonder if anyone else is having this problem with nvidia cards and having lines around polygons(looks like there's boxes all over the place and also effects models too.)
http://cloud.steampowered.com/ugc/55...6291C607E11B8/
http://cloud.steampowered.com/ugc/55...290E0BAAA566D/
@ThomasJ210
Try forcing vsync off, you'll get tearing but the stuttering should be gone.