Dengeki.com released the results of the anime fans' votes on the best anime aired this spring and the most expected anime to be aired this summer. The vote was held from June 19th till July 1st.

"Satisfaction" Ranking for Spring Titles in 2009 (expectation ranks are in parentheses)
*1, (*7) K-ON!
*2, (23) Higashi no Eden
*3, (*5) Saki
*4, (*1) Fullmetal Alchemist: Brotherhood
*5, (*6) Sengoku BASARA
*6, (*4) Dragon Ball Kai
*7, (*3) Valkyria Chronicles
*8, (24) Basquash!
*9. (*8) Asura Cryin'
10, (19) Cross Game

Ref. "Expectation" ranking for Spring titles released this April


"Expectation" Ranking for Summer Titles in 2009
*1, Spice and Wolf II
*2, Umineko no Naku Koro ni
*3, Zan Sayonara Zetsubou Sensei
*4, Bakemonogatari
*5, CANAAN
*6, Taishou Yakyuu Musume.
*7, GA: Geijutsuka Art Design Class
*8, Kanamemo
*9, Tokyo Magnitude 8.0
10, Umi Monogatari ~Anata ga Itekureta Koto~

16, Princess Lover!

Source: Dengeki Online
Related topic: Japan's Satisfaction and Expectation Ranking for Winter and Spring Anime