MaterialX looks to be the upcoming method for material transfer between apps. https://area.autodesk.com/blogs/thebuzz/open-source-at-autodesk-materialx/
The sword doesn't make the kingslayer. That said, Autodesk is Industry standard and blender can definitely deliver compete, but it's all personal preference.
the md3 exporter that comes with Gmax doesn't work because the people at Autodesk are commies. use Chris Cookson's. http://pages.videotron.com/browser/