I am searching over threads now, and I see pros and cons.
My question is, if your images looked like this would you switch over to flash.
I think they are on the fence, flash would give a nice pop and better color, but you would also give up speed.
I am shooting with a 1DIV and 400 2.8L IS ISO 5000, 1/640th using NR in LR
I know if it were any darker would be a no brainer, and even now I have to know where I can get away with shooting and where I can not.
Here are a couple random examples I pulled from a late night game.