I love to look at all the gender predictors out there on the Internet. I mean you really do have to take it all with a grain of salt but they are fun to take. I would never spend any money on something like this but the free ones are fun. Here are some great sites:

http://www.obfocus.com/calculators/gender.htm
http://www.justmommies.com/quizzes/gender_prediction_quiz.php

My favorite:
http://www.babygenderprediction.com/