Over on BL, it's said that this Saber has a new seiyuu, it seems - Tange Sakura.
Also, apparently the new Caster is voiced by Chiwa Saitou, Leo by Romi Paku and the new Kuzuki guy (seemingly not Souichirou) is Hatano Wataru.
EDIT:
More pics of the limited edition Figma model.