Bandai have informed me that March's shipment should be arriving on the 18th. Notable kits contained in this include:
MG Mission Pack B-Type and K-Type for Gundam F90 1st Run
HGUC MS-08TX Efreet [Doug Schneid Custom] 1st Run
HG GM Guard Custom [E-2 Beam Spray Gun Equipped] 1st Run
HGUC RGM-79 [G] GM Ground Type Slave Wraith [Parachute Pack] 1st Run
HGUC RX-76-6 Gundam G06 [Mudrock] 3rd Run
Pre-orders should begin shipping from the 19th.