According to some Japanese sites, this would be the list of upcoming Soul of Chogokin in output order.
|Abbreviation||First name||Date||List yen|
|GX-47||Energer Z||08/2009||6,300 yen|
|GX-48||Big O||09/2009||12,800 yen|
|GX-49 or GX-45R||Shin Mazinger Z||10/2009||8,800 yen|
|GX-03R||Combattler V||2010?||to be defined|
|GX-50||Daitarn 3||2010?||to be defined|
All prices are in yen values list (excluding local taxes, shipping and customs). Only the first two are already listed on the official website for Bandai . The others are just rumors, although very very likely, given the reliability of the sites where I got the news.