Since I'm a bit unconventional, one thing I mess with is the diff setting. My tuning generally gives the car more than enough steering. I usually dial a little bit out by running a tighter diff (thicker oil) which also has the benefit of putting the power down more equally as well.
With a spring/shock combo that results in suspension balance, and with modern cars with equal length arms front and rear, I will generally try to get the front and rear roll centers as close to each other as possible. In a perfect world they'd be the same. If I have 3 degrees of camber gain in the rear, I want the same at the front. With a 2wd vehicle, there is a heavy rear weight bias so steering is not a problem. More rear bias inherently gives more steering, not less. If I have too much then I'll go tighter on the diff to dial a bit out.