Default what would you recommend?

Hey peeps,

I'm looking for performance/battery ROM with privacy guard, so far i've been using the Beanstalk ROM with linaro kernel but it has some issues which ill try to fix reflashing it but i would like to take the oportunity to check something else first. What would you recommend?
Sprint HTC One:
Android Version: Beanstalk (Android 4.4)
Su: SuperUserSu
Recovery: TWRP
S-OFF: revone S-OFF
Network: Vodafone Portugal