Hell to the yes. Anyone that says dominance from a single company is bad for the industry is dead wrong.
Anyone that says it's unequivocally a good thing is dead wrong.
Got my Amazon PS4 this week! And it was bricked out of the box :-/
This is what I'm worried about with the 3 I helped family members get for their kids. Hopefully Amazon will have some replacement units on the 26th just in case.