Alright, if you'r pretty far into the endgame part of World of Warcraft you've probably heard about this build one way or another... Combat Daggers... I'm here to share some further information on the subject.

Everything I write here has been proven with math and calculations, what you see in your raids might be as I write - but it might not because a lot of it depends on other things then only the talent build - the talent build only sets the limits, after that the user, gear, knowledge e.t.c comes into play... but however, this is what math has proven (and in all raids I've been to so far), the build capable of producing the highest steady DPS with the current in-game weapons and armor.

*edit removed old pre-1.12 template*

With two daggers, this is the build that (theoreticly) has the highest substained dps.
For a pratical example, Perdition's Blade will atleast equal to Ancient Qiraji Ripper 20/31/0 build.

The talent marked with an * are so called "Fillers", for example you can skip imp gogue and deflection for 5/5 Lightning Reflexes, as long as you do not take talent points from places that's needed to get the talents not marked with an *

Now, after 1.12, this will change a bit, with new talents - there are basically 2 choices, you either go with the highest possible steady dps with this build:

In the 1.12 patch ( http://www.wowhead.com/?talent=y0eMoxZGci00Ez0bZVb ):
- Assasination: -
5/5 - Malice
3/3 - Ruthlessness (could possibly drop a point from this into 3/3 Improved Slice and Dice)
2/3 - Improved Slice and Dice
1/1 - Relentless Strikes
5/5 - Lethality
- Combat: -
2/2 - Improved Sinister Strike*
3/3 - Improved Gogue*
2/5 - Deflection*
3/3 - Improved Backstab
5/5 - Precision
5/5 - Dual Wield Specialization
5/5 - Dagger Specialization
1/1 - Blade Flurry
2/2 - Weapon Expertise
- Subtley: -
5/5 - Opportunity
2/2 - Sleight of Hand

Or you could go with the build that drops dps a bit but adds Adrenaline Rush wich has a good utility factor, it will enhance your PvP experience and add some viability to adapt to different PvE situations.

In the 1.12 patch ( http://www.wowhead.com/?talent=j0eMoLZGcy00Ez0boV ):
- Assasination: -
5/5 - Malice
3/3 - Ruthlessness (could possibly drop a point from this into 3/3 Improved Slice and Dice)
2/3 - Improved Slice and Dice
1/1 - Relentless Strikes
4/5 - Lethality
- Combat: -
2/2 - Improved Sinister Strike*
3/3 - Improved Gogue*
4/5 - Deflection*
3/3 - Improved Backstab
5/5 - Precision
5/5 - Dual Wield Specialization
5/5 - Dagger Specialization
1/1 - Blade Flurry
2/2 - Weapon Expertise
1/1 - Adrenaline Rush
- Subtley: -
5/5 - Opportunity


Using these builds is pretty simple, with 2/3 improved SnD, a 5 point Slice and Dice will give you enough time to backstab 5 times to get another 5 point slice and dice off, and that's basically it backstab backstab backstab backstab backstab slice and dice, repeat.

And ofcourse use Blade Flurry every time it's up (on a single target aswell, it's the +% attack speed we're after).
Always keep instant poison on against targets that are not immune... and you'r set.

With adrenaline this changes a bit ofcourse, I'd say get a 5pt rupture running or evisc with it.

For the record I've been playing the rogue class for about 3 years now, and I still think it's the most fun class to play, and this is the best endgame pve build in theory - if you will outdps the others or not depends on your computer, the equipment, that you'r not AFK, and the situation.