okay here are mine:
1. Code Geass (and R2)
2. Soul Eater (the manga's better, but, I love the anime too)
3. Black Cat (just started... but it's really good)
4. Ouran High School Host Club (love the twins)
5. Gundam SEED Destiny (okay, so apparently not many people like this. I watched it more for the character development, not really the action)
6. Cardcaptor Sakura (the longest series I've ever had the patience to watch- it was really good)
7. Fullmoon wo Sagashite (the first anime I ever watched)
8. AIR (I can't explain this one)
9. Death Note (Do I need to explain this one?)
10. Kaleido Star (...)
There was more I watched, but I can't think of any right now... I numbered them, but anything after 3 really isn't in order, I just put them as I thought of them.