You are both right. I think there is the misconception that i feel dks are going to be super gimped. That isn't the case at all. They will still be strong I just feel that rets will likely out-shine them at least in both class' current state.

MOSG, death runes are the price of necrotic strike... so that would be replaced with plague strike. Frost strike is also the highest priority as it does the most damage and resets runes/gives rune regen speed. If necrotic strike was still on unholy runes there would be no problem

As far as the runic power situation... Unholy 2h is what most people are using as they have TOO MUCH RP with frost, each autoattack in frost gives them 30 RP which is almost enough for a frost strike... but the GCD is 1.5 seconds. I mean this might end up being the route we go if the rune regen is abysmally slow but we still have good RP generation when we are ON TARGET because of the 15 rp per auto attack. The main problem is that howling blast and such all generate 10 runic power opposed to 20 which severely lowers our runic power usages.

Also unholy presence can no longer have 120 RP so we are limited to a burst of 3 frost strikes.
Dk's have a whole lot of positives though like MOSG says but I disagree with the burst statement.

Pros
Most get out of jail free cards of any class [Lich, desecrated ground, ams, pet sac, icebound, pillar of frost (anti-ele/boom, trinket)
Offensive dispel. (glyphed)
AOE frost damage and slow (not reduced by armor)
Possibility of anti-healing
High burst below 35%
Silence or stun possibilities (2 of each to change drs but reduces the amount of people slowing so you have a higher duration CC chain)
AOE stun (only negative here is you need uptime to make it work)
Quite a bit of self healing
Death Grip

Cons
New system for runes is clunky and the choice between corruption and empowerment isn't really clear as well as rune regen is really low in comparison to live.
Runic power generation outside of frost presence is mediocre
Loss of blood tap which means no on demand silences anymore (really effects us)
Squishy and after icebound they can just fall over to melee
nerfs on a lot of abilities
Don't really feel anti-casterish anymore.
Burst damage significantly reduced above 35% due to runic power limitation and generation reducing our usage of frost strike which in turn reduces our ability to use other abilities due to less runes to use.
Forced into 2h frost as dual-wield does not generate enough RP for stable PVP usage.

Basically we are now a damage dealing class much like a warrior with little usage for anti-healing at the cost it is at. Not as anti-casterish as we once were.

I honestly don't want to discuss stacking rets as i don't want it to get nerfed like some of the things were before launch that we were discussing for cata. If someone wants to do so PM me some contact info.

I do feel that warrior burst damage and CC is superior to dks right now on beta though which would make them more ideal for those of us who are going to be playing 3's.