I always go for the 2-Base Ravager-Ling Push--around 5-min; &, I did the same thing, again--this time, too. I choose to make 2 Drones to build the Roach warren, &, Baneling nest, before the 2nd Hatchery--these days--'cause I need the 1st Roach to morph into a Ravager--earlier than before.