did you forget about gapps? cm10 95mb + gapps 90mb = 185 mb ~, and in stock rom you have a lot of apps from zte, so it can be 270 mb :
This rom working for me fine ;p, but i waiting for buttons backlight fix.
I will help you in this rom development, i know C++ ( i'm writting simple game engine in opengl 3.3 & c++ ), but im noob in programming drivers for linux. ;/
nothing change gapps to my phone
1. boot in recovery
2 format system
4 wipe all-davlick etc
5 install rom
6 install gapps
i do all that 2 times but nothing change in rom...camera still ics , etc
where i am wrong???