Kinda lame that you can't find 3ds max 2011 like anywhere anymore. the lowest version on autodesk.com is 2012.
Is there anyway to do this with Blender? Or is there a .m2 importer for Blender?
Sorry to reply so late, not that I know of, since these tools (ArtTools for SC2) are the tools used by Blizzard. And they use professional tooling like 3D Studio Max.
All blender scripts are created by the community, not sure if it still is, and they will never cover the lot.
My Starcraft II Tutorials Youtube Channel
My Basic Moddeling Tutorials Youtube Channel
My assets here