Hello!
Posting this for LifeZone as he does not have his own vendor forum anymore and is running a group buy not many people know about yet.
Me and a few others will try to help relay between people posting here and LZ, and I'm sure LZ can chime in here too.
English Order Form: http://me2.do/FeHW36q3Detailed explanation of components : https://geekhack.org/index.php?topic=78901.msg2019458#msg2019458
LZ-RV is a reverse - Full size Keyboard that uses JigOn software by Leeku



Some prices (check order form for full pricing!) :
Base set $350 (case, plate, PCB)Extra plate $35
Extra PCB $48
Acrylic sheet for RGB LEDs $5
RGB LEDs, resistors and diodes sets $5, $0.5, $3 respectively
Stabiliser sets $10
PCB assembly :
$9 Diodes
$9 Resistors
$18 Diodes + resistors
Colors:
Black
Metal-Grey
Ocean Blue
Silver

Plate Options:
Ansi
Universal


Accepts both USB and Ps/2 connections.
More detailed information about the board and PCB can be found
here