I am using kitkat 4.4.4 pacman rom.
It is still in RC-1 stage.
Yet stable,light and smooth.
I have tried miui(which)was unstable and cyanogenmod 10 nightly earlier.
This rom is better.
Give it a try.They will be releasing stable version in near future.
Partition your memory card atleast 1gig and use link2sd to link your apps.
Sent from my WT19i