Katie, way to go on giving up Coke! You can do it!! Just give yourself time to get over the cravings, and pretty soon you'll be over it totally.
arelyn, I'm sorry you're so sick! Don't worry too much about nutrients now.. your little bean is probably getting most of their nutrition from the reserves already in your body from before you got pregnant. A friend of mine actually lost weight in her first trimester because she was so sick. She just gave birth to a robust and healthy baby boy last week! I'm not saying nutrition isn't important, but eat what you feel like eating when you're really sick, you know?
I'm lucky in that cold water is just about the only thing I feel like drinking, since I'm so thirsty. I'm not sick, knock on wood. My mom said she got some nausea with her 4 pregnancies but it wasn't bad so maybe I'll be spared?

: My appetite has also been pretty good and I'm trying to reduce refined sugar and increase vegetables and protein.