Correct if I'm wrong, but 1 GPU MH/s Scrypt-N = 0.5 MH/s Scrypt?
And currently BTC / 1MH Scrypt-N 0.00532591 vs. BTC / 1MH Scrypt 0.00267616 would be actually 0.00266296 vs. 0.00267616 on the same RIG, mining Scrypt is more profitable?