I decided to give apex a run and WOW.. it is battery smooth just like touchwiz! After I tried nova (for some reason scrolling was slightly jittery for me) I thought all launchers would be the same, but this launcher has really impressed me.. I'll note that I've noticed a slight decrease in battery life though. But. Not enough to uninstall it. I love it's features. One touch calling/texting is brilliant. But most of all I just needed something with no lag whatsoever.
Anyways so I'll post my current wallpaper and also a screens of it doing one of its cool animations..