IIRC, Amazon Prime actually uses less obnoxious DRM on their own content than for 3rd party stuff. At least, when I had a computer configuration that they said

IIRC, Amazon Prime actually uses less obnoxious DRM on their own content than for 3rd party stuff. At least, when I had a computer configuration that they said was unsupported for HD due to DRM reasons, I was still able to get Amazon's own videos in 1080p