This should have been made a poll. Then we would have easily seen exactly how much Nightblades don't need a buff.
I play a stealthy Nightblade. I made a thread in "Alliance war" about how I racked up 50 consecutive kill-streak In Cyro.
I'm NOT a pro.
I was just playing carefully. People are complaining about how NBs suck once their thrown in a keep against 100 other people? You're not a spartan facing 100 enemies on your own, chances are you've got a 100 on your side and you have no reason to complain - as long as you play with care.
Nightblade is a class choice, but it's also a gameplay choice. You can't recklessly jump into a fight - that's not how the devs designed it. You have to be sneaky, clever, pick your fights. That's exactly how a nightblade should be: it's a sneaky rogue, not a tank. And fortunately, it's exactly how the nightblade currently is. If you're playing it with the intent of walking into a zerg and succeeding like a DK, than you're playing it a little wrong.
You can be super successful with a Nightblade, just ask the people who have been taken down in less than 5 seconds by one.
(That said, I've recently tried building a Nightblade tank and found it near impossible to come up with something equal to Temp/Sorc/DK tanks. If there was one thing I would asked changed in NBs it would be that Sap Essence could be the NB equivalent of Draw Essence in DKs… That alone would make NB tanking a little more viable.)
I just wanted to create a usual warrior. Or something similar to WoW warrior-dk-paladin. And maybe sometimes spec into something like a hunter. So I read all 4 classes descriptions, I read their skill lines. And "on paper" a nightblade was a class for me as the one that is the least connected to magic out of all 4.