What region in DE are you in?
I wish I remembered how I found it, which is, I think, through the authorized dealer list, but I think at least one outlet (not cyberport) in Dresden is quite well priced.
One shop in Aachen is quite good, and where I got my K5 from, in fact. They're the shop that sponsors the De forum.
Additionally, you could also use what I did to get my K5 for 669 Euros:
Fotografie Preisvergleich | Preise bei idealo.de
Often you'll see Meinpaket with some great prices through local dealers. That is one of the best ways to do it.