On a related note, while I did feel it was important to invest in good nursing bras as you have listed, I was less willing to spend on nursing clothes. (mymommystyle.com)
I think that not being fully prepared with nursing pads, discreet clothing, a really good nursing bra contributed to not being able to get off on a solid footing. (thismamaslife.com)
The tops and a couple good nursing bras will make feedings in public and even at home a much easier process. (newmommysplace.com)