>I just wonder if I could ever master the DOF with a lens wide >open at f/1.4. I tend to find that even f/2.8 is challenging >sometimes to properly tame for the right creative effect. I >like fast lenses though, if for no other reason than I >appreciate a nice bright viewfinder and easier focus. >
One thing about the f/1.4, it isn't a fixed aperture, you can always stop it down. The f/2.8 can't get any more open than that.