well ive managed to find a new digital ballast for my 1000watt hps light. Im now wondering if the 3 lights will almost be too much... can anyone tell me?

I want to keep my 250MH, 400HPS, and add the 1000watt hps too. all this in a TINY closet... i figure as long as i can keep the heat down it should be ok.

Anyone know?