I think it was just laggy when I was first using it but it comes with all these features that are pretty cool and it has a battery saver feature as well. when I turn it on the battery drains at 1% per 15 min of use.
I would still rather use the RUU
Heres the link:
[ROM]12.31.2012 Newts JB v2.0.1 (Jelly Bean & Sense 4+) Stable - theMikMik
(It's for Evita, not Endeavor)