So i've got a dk, which is a goblin atm, and I really dislike playing a goblin for a few reasons. I like to pvp with my dk and im thinking of doing a race change, which horde race is the best for a dk. If it helps i play frost spec, soon unholy come 5.2
If you're going Unholy you'll get 2x added stuns (Ghoul Charge and Gnaw) and as Chillblains are most popular in Frost and you're switching to Unholy, I recommend you go with Asphixiate, add all that plus the blood elf racial which is an AoE silence and you got yourself 4x new CC abilities. Plus it gives you a little more RP when used as well as a little less damage from certain mage/boomkin abilities.
Orc is generally best for any class that can be in. Burst is extremely important in WoW and Blood Fury offers the best racial. On top of that, extra pet damage and 15% stun reduction...it's by and far the best pvp dk race for horde imo.
An extremely strong argument can be made for undead though with the heavy presence of fears as CC in the game an the racial heals you for the same amount as it deals in damage, affected by unholy mastery. But it's not controlled so that's something you have to decide on.
No it's not. Ghoul "charge" is not a stun, please stop spreading false info.
When not transformed the leap does not have any side effect, but once it is there's a root for 2 sec and spell interrupt (if casting something of course).