On living in the Heights, it's a nice place with wonderful homes. I would recommend the Heights, but I doubt you will want to bike from there to Post Oak. There just aren't many friendly streets. Esperanza is a good daycare. I have friends that have their kids at Esperanza, but we went with a school closer to Downtown. One concern that I had about their facilities is that they are located in several old houses spread out on two sides of Heights Blvd. The infant center seemed isolated and did not seem very secure. Welcome to Houston!