German retailers have got some dates for Lumia 930 and Lumia 630 availability. Cyberport has 15th May as the possible availability date of Lumia 930, while MediaMarkt has 5th May availability for Dual-Sim Lumia 630.
Pricing wise, Cyberport quotes a price of €599 while MediaMarkt has Lumia 630 listed for €159. Both the devices can be pre-booked from the links below. Considering reputation of retailers in question these availability dates look solid.