Q.01 - THIS ROM IS GOOD. I LOVE IT.
A.01 - Thanks to this great XDA community. U may express ur gratitute by donating to me & other dev(s) might involved,
or hitting THANKS button wherever u see fit, give best rating to this thread or just be a leech.
A.02 - Check changelogs whether certain apps has been removed. Else, browse to /system/etc/product/applications using file explorer
(Total Commander recommended) and check if the app apk exists, just reinstall it. It will be installed automatically after factory reset or clean flash.
A.03 - Is very subjective. No discussion about it. Note II was my best battery beast.
A.04 - No comment Google for Chainfire's comment about benchmark apps.