The Skin FAQ is here:
http://www.3fatchicks.com/forum/showthread.php?t=36040
The others are right -- you can't worry about this issue, because there is no way to predict your individual final result. I COMPLETELY understand your frustration -- I've lost 160 pounds after being overweight all my life -- but being at a healthy weight with extra skin is a MILLION times better than being overweight with taut skin.