Excellent. You get full hardware acceleration (OpenGL via Intel/AMD GPU). NX 12 runs as fast as on any Dell or HP workstation.
While Siemens NX 12 is not officially supported on Mac, some users have reported success in running the software using: siemens nx 12 for mac full download
This is the most critical part of this review. Searching for a "direct download" for Mac can be misleading. Excellent