Definately Kotex Maternity if you have stitches. I wore them for another 10ish days after flow had stopped because they were so terrific padding sore stitches. Then the libra Goodnights.
Re underwear. For postbirth I bought some Target brand cotton ones for $2.99 each (all diff colours available) and in a bigger size than normal so they were extra comfy and my 'nice' underwear didn't get ruined. In saying that the Target ones have been much comfier and better quality than some of my nice ones!!