Do Fast Lenses Matter Anymore?

No matter how high your cameras ISO can go you all way's want the lowest ISO you can get away with for clarity and fast lens do that for you plus greater DOF.

I say if you can afford fast glass then get fast glass.

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My gear: 5DmkII,7D,300mm2.8Lis,Zeiss 21 2.8 and 35 1.4 distagon,70-200 2.8Lis,,851.8,100 2.8L macro, 580ex flash,twin macro flash,G1x