From a net-friend:

'Wow, I only recently learned that there was an "emerging church" (as opposed to the Church emerging from wherever it has been hiding), and now I discover that there is an "Emerging/Missional" divide!

The problem with Western theology is that it's so hard to keep up. By the time you discover what a new theological trend is actually about, it's already split into rival factions, and you have to discover what they stand for too.

I've seen the term "missional" associated with the "emerging church" movement, but I assumed that it simply meant the church in mission. But no, it seems that it's something else, and well on its way to becoming estblished as a rival movement, or a spin-off or something.'

See this blog

http://methodius.blogspot.com/2006/09/emergingmissional-divide.html

for links to the debate etc.