I have some Welsummer hens and I just bought 5 more babies from LilEmily'sChicknPen when I was in Florida. But, my hens aren't laying yet............I got them in October........
But honestly, are you looking for brown eggs or DARK BROWN EGGS? Welsummers lay almost chocolate colored eggs. And from what I understand aren't the most prolific layers. If you want plentiful brown eggs, try a Black Sex Link or a Red Sex Link AKA Black Star and Red STar. They start laying early, and lay nearly every day, and are the friendliest of my chickens...
Also Check out the buy, sell, trade section in the index. And if you google Welsummers a BYC post almost always pops up.