This article contrasts rather sharply with Grace's post, which pointed out that South Korea is looking for complete denuclearization. It would appear that North Korea is looking to keep their nuclear weapons, which is unsurprising, and simply abandon the creation of more in favor of working with the US and its neighbors, or at least getting its money back.
My impression of the post-test talks were that they acknowledged (rather than accepted) North Korea's possession of nuclear weapons and sought to prevent them from making more without having any concrete action on getting rid of their existing ones. This could have been implied, or just could have been my own point of view (because really, I cannot see North Korea walking away from its nuclear weapons any time in the near future). Publicly, South Korea seems adamant about complete denuclearization, and it gets mentioned a lot in articles as what the talks are aimed at, but is that something the governments really think they can accomplish?
It will be interesting to see if, once North Korea gets its money in the bank, its nuclear weapons, and its capitulation from the US on dealing bilaterally, whether they will walk away from the talks.