Confirmed! ^^
Date Masamune and Sanada Yukimura from Sengoku Basara are going to be released as Revoltech Yamaguchi figures.
Other new Revoltech Yamaguchi figures revealed:
Eva Test Type-01 and Eva Provisional Unit-05 New Movie Edition
Dancouga
Arbalest
Revoltech Queen's Blade
New characters to be released.
Kotobukiya's SRWOG
Non-scale Granzon - winter 2010 release
New Nendoroid releases
K-On!
Sengoku Basara
Nendoroid Plus Queen's Blade
Alter's mecha series
Linebarrel
M9 Gernsback
Savage
Megahouse's Excellent Model 1/8 Ranka Lee Nyan Nyan Ver.
More images in this previous posting.
All images from Hobby Stock: Link 1, Link 2 and Akibahobby.