According to the trademark database of Japan Patent Office, the title of the new precure series was revealed to be "Suite Precure♪". Bandai's notice to toy dealers says it will start next February.

Title logo of Suite Precure

Toei Animation announced that the tenth Precure movie "Eiga Precure All Stars DX3 Mirai ni Todoke! Sekai wo Tsunagu☆Niji iro no Hana" will be premiered on March 19th 2011.

According to Movie Walker, the ninth movie "Heartcatch Precure! Hana no To de Fashion Show... Desu ka!?" has accomplished a box office success and its income will establish the best record of all the Precure movies. The movie will be shown in Paris next year.

According to AV Watch, a 37 year old jobless man was arrested for uploading Heartcatch Precure! episodes via file sharing software Share. He deposed that he has been uploading anime since the spring of 2009.

Sources: Scan of Bandai's notice, Anime!Anime!, Movie Walker, AV Watch

Update on December 26th
Official website opened.
Suite Precure official website

Cast
Hojo Hibiki: Koshimizu Ami
Minamino Kanade: Orikasa Fumiko
Hamy: Mitsuishi Kotono

Synopsis:
The world is in danger by Mephisto, the King of Minor Land, who tries to spread "Melody of Unhappiness". Mephisto is after the "Legendary Score", in which "Melody of Happiness" is written. In order to complete the score and protect the world, new Precure girls stand up to collect the scattered notes of "Melody of Happiness".

Eiga Precure All Stars DX3: Mirai ni Todoke! Sekai wo Tsunagu Niji-iro no Hana on MAL