Glad this thread got bumped.

While not directly related to this specific episode, here's (hopefully) something of interest to Whovians in general...

Richard Marklew (a Blender modeler) is currently sharing a .OBJ formatted model of an "EarthShock" styled Cyberman helmet!

Click this link for the details...

"EarthShock" Cyberman Helmet by Richard Marklew

I know several people (including me) have been craving one for years!

Sincerely,

Bill

Tempt the Hand of Fate and it'll give you the "finger"!