Vampire's cannot go out in the day. Sure they are now not considered hostile to NPC's but their skills in the sun are harshly reduced. This means that the powers that come with being a Vampire lord come at a cost. Don't go outside til you block out the sun
I actually wanted Lords to have even harsher penalties in daylight... I find the regular vampire penalties to be pretty soft and too easy to circumvent (often without even intending to). If vampires took constant fire damage in sunlight I'd love it tbh.
Oh really? That is pretty soft. I'd have expected -5 per second or something. Still, the 'NPCs will kill you at level 4!' thing sort of makes up for it.
I couldn't care less about who says what is better than something else. It's obviously nothing more than a matter of opinion. And mine is the only one that matters to me.
From the gameplay clips, when the guy was a Vampire lord, Magicka seemed to regenerate and so did stamina. So I'm guessing it's gone if you take a perk or do a quest or something.