Conflag build, Nightfall or Demonic Embrace?

[Theldon]

I'm wondering if Nightfall is worth it in a conflag build so I'd be saying 19 affliction 32 destruction. I'm going to pvp exclusively as my guild broke up and I dont have a good RL schedule to raid anymore (can't get into another guild). But Nightfall isn't the most reliable proc, so should I give it up for 15%+ stam? I have great gear so I have plenty of stam.

[Athrun]

no it's not.
if you go conflag please go 7/5/39 or even 5/5/41
nightfall is shit when you're a conflag warlock.
lots of instants + low casting times