That's very very conservative guess by you ScaryRaccoon. I do not know you, I have never seen you and have never met you.
But I have seen Dr. Taylor, the inventor of POET, I do know a little if not a lot about his work. I have seen Peter, Adam, Stephane and other guys at POET company. They, POET team agrees on one thing and that's "The company believes its chips could easily be a $10-billion opportunity if one or more Silicon Valley companies begin to develop devices made with them."
I will take there guess so much over than yours.
My guess and it's minimum is $10 billion and maximum is ... sky is the limit. We will find out in 3-4 months.
In next 3 weeks we will find out about MS5 and MS7.
cheers