Quote Originally Posted by Rodger
70-200mm f/2.8 L non IS, or 70-200mm f/4 non IS withbeginnerstrobe kit.

f/4 + strobes IMHO. The difference between f/2.8 and f/4 is huge, but it's still smaller than the difference between lights and no lights. I think the strobes will open up a lot more opportunity than a single stop of aperture.