This is a list of links that I have found most helpful in my research period!
I hope you also find them to be as well..
 

Check these great BMI calculators out!  Womenand Men and Women!
Center for Surgical Weight Control
American Society for Bariatric Surgery
Association for Morbid Obesity
Flock of Angels
Husband's Insight into Weight Loss Surgery
Laura's Story
OneList
Surgery for Morbid Obesity
The Faces of Weight Loss Surgery Web Ring
Mini Gastric Bypass
Vitamins.com
IFSO Procedures Manual
Yahoo Clubs : Gastric Bypass People
Yahoo Clubs : Gastric Bypass Support group
Yahoo Clubs : After Weight Loss Surgery
Yahoo Clubs : Obesity Surgery Support Group
Yahoo Clubs : Bariatric Surgery
Yahoo Clubs : Gastric Bypass
Yahoo Clubs : Gastric Bypass Surgery