Winterfell is very easy to get in Germany, its actually discounted aswell, to US retail price.
UVP is 130€ that is just to much.
However its a nice set, if you can get it buy it.
Actually Amazon de is listing some sets, but not all. They have the lately the new MotU and GoT sets listed for preoder but still missing some. Real de, mytoys de, thalia de, Buecher de and other online stores also carry a few Mega Construx sets. Locally the Vedes toy shops will carry all the MotU a...