Romance...it definetely would be great but as is said the deathknight is a nuisance...now come to think of it if i have a female warrior or mage and the deathknight is a dude..You can never get some good privacy (toilet, bathing etc. )
Aaah, but you see, the characters never do bathe or go to the toilet. That's why you get so little for selling armour!