So I've been playing the Ninja Gaiden DS and its inspired me to go back and play the last Ninja Gaiden on Console. I played the original Ninja Gaiden on X-box and loved it but thought it was too hard to be fun. Now owning a PS3 and 360, the question is should I get Ninja Gaiden Black from X-box classics on marketplace or Sigma for PS3? Does Sigma have the same "easy" difficulty and hidden arcade game as black?