Not sure what your price range is, but you have your lower end brick and mortar stores that have displays you can see (Target, Walmart, BRU, Ikea, BBB, etc.). You also have standard furniture stores; there is a "furniture row" in both Grapevine and Plano. On the other end of the spectrum, you can go to places like Stacey's and design your own furniture. Pottery Barn has a crib I love, but it's $1000.
Re: Cribs in Dallas/Fort Worth Area