Confirmed from Bandai Hobbysite: All release dates published in this previous posting are correct, except for HG 1/144 GN-XIII E.F.F. Color Ver., where the release date has changed from the 22nd to the 28th.
I'll list them out again, adding in the dates for HCM-Pro releases as well:
(1) 8th: HG 1/144 GN Archer - 1,260 Yen (inclusive of tax).
(2) 8th: HG 1/144 Gadessa - 1,575 Yen (inclusive of tax).
(3) 8th: HCM Pro 63-00 G-Box Arios Archer - 4,200 Yen (inclusive of tax).
(4) 15th: HGUC Rezin Schnyder's Customized Geara Doga - 1,890 Yen (inclusive of tax).
(5) 15th: BB Senshi Sangokuden Rikuson Z Plus - 630 Yen (inclusive of tax).
(6) 22nd: MG Zeta Ver. 2.0 HD Color Ver. - 5,250 Yen (inclusive of tax).
(7) 22nd: UCHG 1/35 E.F.F. Type 61 Tank "Semovente Corps" - 9,450 Yen (inclusive of tax).
(8) 22nd: 1/100 Cherudim - 2,730 Yen (inclusive of tax).
(9) 22nd: HG 1/144 Exia Trans-Am Mode - 1,260 Yen (inclusive of tax).
(10) 22nd: HG 1/144 Dynames Trans-Am Mode - 1,260 Yen (inclusive of tax).
(11) 22nd: HG 1/144 Kyrios Trans-Am Mode - 1,575 Yen (inclusive of tax).
(12) 22nd: HG 1/144 Virtue Trans-Am Mode - 1,575 Yen (inclusive of tax).
(13) 24th: 1/72 Transformable VF-25F Alto's Unit Bandai Pro Shop Limited Shoji Kawamori Produced Clear Ver. - 4,725 Yen (inclusive of tax).
(14) 28th: MG G Fighter Operation V for Gundam Ver. 2.0 - 5,880 Yen (inclusive of tax).
(15) 28th: HG 1/144 O Raiser - 840 Yen (inclusive of tax).
(16) 28th: HG 1/144 GN-XIII E.F.F. Color Ver. - 1,260 Yen (inclusive of tax).
(17) 29th: Action Display Base 1 MG Unicorn Ver. Ka Ver. - 735 Yen (inclusive of tax).
(18) 29th: Action Display Base 1 MG Sinanju Ver. Ka Ver. - 735 Yen (inclusive of tax).
(19) HCM Pro 64-00 Seravee - Release date being pushed forward from February. Exact date TBA. 4,200 Yen (inclusive of tax).
Quite a huge month it's going to be eh? ^^; Way merrier than January last year XD