Playing as a nightblade/archer-dual wielder myself, I can definitely say that a good portion of the dual wield and night blade siphon/assassination skills are broken. I didn't even bother putting points in shadows, the stealth is fairly worthless for it's short timer.

Its a wall of text, but here is a copy and discussion of the patch notes from the PTS. Keep in mind that these could easily (and probably will) change come live.

http://forums.elderscrollsonline.com/discussion/87867/patch-notes-v-1-1-inc-craglorn-from-pts/p1

Just to confirm, I went into the PTS to check the dagger stuff. I have 2/2 Twin Blade and Blunt.
With two non-dagger one handers equipped, my weapon crit is 21%.
With one dagger that does not have crit chance, my weapon crit is 26%.
With two daggers without crit chance, my weapon crit is 31%.
With two daggers, one with 2.5% crit, my weapon crit is 33.5%.
All is well.

Don't forget the dual wield expert 2/2 not working.

Hadan_of_Rift wrote: »

I was at 30% crit rate and spent my point, 2 daggers = +5% = 35% crit rate ... Awesome. What did I get... you guessed it 30% crit rate.

It was tested at tamrielfoundry.com that this is just a UI bug, it is actually already working, but simply not added to your char overview crit %.

SirPuppingtonVonHat wrote: »

Just to confirm, I went into the PTS to check the dagger stuff. I have 2/2 Twin Blade and Blunt.
With two non-dagger one handers equipped, my weapon crit is 21%.
With one dagger that does not have crit chance, my weapon crit is 26%.
With two daggers without crit chance, my weapon crit is 31%.
With two daggers, one with 2.5% crit, my weapon crit is 33.5%.
All is well.

what about pressure points in the assassination tree?

DragonMother wrote: »

Playing as a nightblade/archer-dual wielder myself, I can definitely say that a good portion of the dual wield and night blade siphon/assassination skills are broken. I didn't even bother putting points in shadows, the stealth is fairly worthless for it's short timer.

Well shouted. Hope they fix it all soon.

The problem with shadow cloak is that it is impossible to sneak after it. The attacked group of enemies will run after you as soon as you come out of shadow cloak regardless being couched in sneak. And since the friendly NPC's run after yer for a mile not even repeatedly spamming Shadow cloak will help. Hence shadow cloak is for attack and not for escape and as such it is a joke since Teleport-strike is a much better option in my opinion.

However...that ultimate in Shadow (consuming darkness) is good...if it works. But being an ultimate it is of limited value since it can not be used very often.

My preferred sequence in attacking a group of more than two NPC's would be: Teleport-strike - Flurry (dual wielding) - assassins blade and get out.... well there is no get out because there is not a real escape move. You are stuck fighting two or more NPC's and spam Strife until running out of magicka and then you...die.

Yes i know...we got agony as CC. but it is such a slow cast that it is worthless in a combat situation. by the time you cast agony the Char is dead...especially if there is the slightest lag in the system.

which brings me to the point... the developers did not account at all... or not enough for lag. Not every one is playing from the US ( i am not) and a latency of 260ms - 350ms I call good. Many, many times by the time the system responds to my keyboard commands the fight is over... Char dead and a huge repair bill (in game) left.