Here are some great resources on the web. I hope you’re considering adoption. There’s nothing like the feeling of saving a life that loves you for it every day. Good luck!
http://www.realpitbull.com/rightbreed.html
http://pbrc.net/beforedog.html
http://www.ourpack.org/rightforme.html
There is no such thing as “too much research” if you are thinking of adding a Pit Bull to your family.