I get strange borders on my image planes, even if there is a perfect 100% alpha.
The rendered output looks like this:
I know that this problem was once in the old blender renderer due the "premultiply issue", but now I don't see any premultiply option in cycles renderer.
The node setup is the standard "import image planes" for cycles as shadeless:
Maybe you know a workaround or a setting option in order to fix this?