Because speculation is fun!
In 2010...
-Airi will gradute from ºC-ute and start a solo carrer, starting off like Aya, turning in to Miki.
-ºC-ute will be renamed ºS-exy.
-Morning Musume 12th generation audtions will be held. The winner(s) will either be really good or really bad. Insert flame war here.
-Koharu's 17th single will sell 1 million copies.
-Maki will turn into Koda Kumi II.
-Viyuden and GAM will hold a joint concert, full of hawt lesbian action.
-Hagiwara Mai will get a solo PB. Baby Jesus will cry.
-Yuko will be the busiest person of H!P, releasing a single, an album and performing a concert. I will be happy
-W will start releasing stuff again.
-Mari and Kei will become U.
-Melon Kinenbi will still be around.
-Much to many fans' dismay, Inaba and Ayaka will become Taiyou to Cocomoon.
-Risa, Sayumi, Aika and Eri will still be in Momusu along with other new members.
-After Yossie's solo carrer does badly, there will be YAM!
-Nacchi, Maki, Takahashi and Rika will each release their 0289743604th PB.
-Reina will leave H!P because and become an AV star, along with Takahashi. They will release PBs together as "TATER". it will be about their boobs.
-Makoto returns, but she's forgotten how to speak Japanese. Instead she speaks NZ English and Maori. She will have her own TV show called "Makoto's Maori Lessons", much like the English lessons.
Though none of the above is gonna happen.