If these cost more than the S6 or the iPhone, Microsoft can forget about selling any of them.
...How can lumia phones be this expensive?! More than apple and Samsung?! This is simply called organizational madness...
For this to succeed, the flagships should be heavy hitters in all areas. Good performance, great cameras, premium build quality.
Even then, that is probably the very minimum, if they even dream of staying in the smartphone industry.