Hi
HiThere's so many differen't ROMS too choose from.
CyanogenMod Android 4.4 KitKat
SlimKat Android 4.4 KitKat
Infamous Android 4.4.2 custom firmware
OmniROM Android 4.4 KitKat
and many more. I recommend you look through the forums until you find one that you like.