Yes, I was impressed by the Hurt Doctor. The maturity and sheer Doctorness made for a refreshing return to classic form. I only hope, as you do, that the Capaldi version gives us what John Hurt could have done given more seasons.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'