I was cruising the ELCA site this morning and found an FAQ about the differences between the ELCA and Missouri folks.
http://www.elca.org/co/faq/elcalcms.html
They should really add in about the Wisconsin Synod folks. Back home the churches are very diverse, but still hold the original ethnic roots. It is kind of neat.
As an aside the LCM at my school is really ELCA based with an Presbyterian, Methodist, Quaker, and a Catholic thrown in, but at another nearby college their LCM is full of Wels and Missouri folks. We're discussing a bowling challenge and the losers have to make traditional Lutheran church food. I see Jello Salad and Hotdish in my future!