Nendoroid Mirai will come with two different smiling expressions, her robot companion Retrokyu, an miniature itasha(mini car) with several different decals you can place on it, and a full 50 set pack of miniature Moekana hiragana learning cards along with six bonus cards not included in the full size set.
More detailed information can be found here at Culture Japan
Mirai Suenaga Nendoroid
She is planned to retail for around 4000 yen and scheduled for release by December 2012. Links to retailers below.
Pre-Order at J-List
Pre-Order at AmiAmi
Pre-Order at Hobby Search