This is the most informative article I’ve read so far.  The status quo is what is in EVERYONE’s best interest and what will probably prevail.

http://www.reuters.com/article/2011/12/21/us-korea-north-exclusive-idUSTRE7BK0FX20111221

However, word on the street is that something fun will happen in April.  That is when the South Korean’s hold their elections.  North Korea does something every election cycle to rattle the cage just for fun.  I predict a commemorative Kim Jong Il tote bag for everyone south of the 38th parallel.