OK, I'll say it again...
my fitnesspal.com !!!
I love this website so much because it is what I used to lose my baby weight. And it worked too! I got even more excited when I found out that the iPad/iPhone had an app for it. Below is the link to iTunes and a pic of what the actual app image looks like. It's so easy to use, it has so many different foods in its database, and it sinks beautifully to the website.
So try it out everyone and tell me what you think!