Well, last night I finally tanked Nightbane and Prince. Talk about crazy! What was even more crazy was that we had four paladins on the run (two prot, 1 ret, 1 holy) so I was judging wisdom all night!
Nightbane was definitely a new experience, and one that cost us because of my noobishness. I kept judging wisdom when Nightbane dropped back down instead of going straight back to threat, and he kept smacking our holy priest. So I changed it up and Exorcised him before laying a judgement to keep him locked down. That would have been a good pro-tip to have beforehand.
Prince, well Prince is Prince. Got to Phase 2 and got unlucky a couple of times, had a couple of times where he hit (blocked) me four times in a row, no dodge, no parry, no miss. Basically went from 50% to 0 in no time flat. That just seems like a matter of me getting a little more pure avoidance and some more stam (just over 15k buffed right now) in my uncrushable gear to make him easier to deal with. But they were both a LOT of fun (although who likes staring at undead dragon and eredar nublies at close range?)
Threat was no problem on either of them, which was nice. In fact, the SP in the raid had a really old version of Omen that didn't wipe threat correctly after he transitioned phases, so it kept showing him at a hojillion threat, and after each phase I STILL caught up to him on the bar. Silly.
Anyway, that's my story and I'm sticking to it!