Default Eclipse Moto X on Droid Maxx Dev

Hello people, i finally got my droid maxx dev.

i want to use the moto x eclipse rom,

which version of moto x software i have to install?

4.4 for moto x verizon? or at&t? tmobile?

then just boot at twrp and install the rom?

anyone did this before?
unlocking bootloader begginers guide: Rooting, Installing Custom Recoveries, Custom Roms, Moto x Firmware http://forum.xda-developers.com/show....php?t=2645122