Open or closed adoption?

As our adoption date gets closer and closer we have been asked so many questions that its kind of getting overwhelming at this point. One of the biggest and hardest questions was do we want an open or closed adoption. We thought it would be simple and we would want a closed adoption with no contact from their biological parents, but after seeing our oldest daughter's face and knowing her little heart was breaking into millions of pieces we realized that we had to think about what they wanted too. After talking to our parents, siblings, social worker, and fellow adoptive parents we realized an open adoption might be exactly what we need. It allows our kids some normalcy and allows them to know that this isn't the end of their biological parents being there. Their mom has been there since day one, I will never publicly say why her rights were revoked, but I will say she did her best in the situation she had. She was the one who made them and the reason we have them, she deserves to be involved as much as possible. We also have the doors open for their dad, but he doesn't seem as interested, mom however is very happy about it and we're hoping it encourages her to keep doing her best. The moment we told our oldest that even though we were adopting her she could still see her mom from time to time and write to her she felt more at ease. We signed up for this foster parent thing knowing it might be hard for us and we might not always like what we have to do, but we have to do whatever is best for our kids. I highly suggest if you're adopting a child who is old enough to understand what's going please get their input with what they want. We could have just written her off and done the closed adoption anyway, but it would do more harm than good to our daughter and that just isn't fair to her. Foster kids go through a lot and like I've said before, giving them some form of control is the single most important thing, they have almost no say in anything in their life give them this one thing.