Bert writes:

With modern technology and materials is should be simple to make a bow of a given weight and put the balance point pretty much where you want to.

Then why haven't "they"? My wife hasn't found a non-wood bow that she likes. And she's tried a bunch. As an engineer, I have to agree with your statement, but that doesn't mean that it has been done. Maybe you should take a run at it...

-Greg