If they did this, it would definitely be awesome.
While they are at it, would be nice to make having quality pipes have some sort of purpose.
Maybe increase the range at which they can underground? their throughput?

^THIS^

I have found myself frustrated by the inability to differentiate specific outputs myself. in my case, when making 'smart' assemblers, with dynamic recipe switching.
I want to be able to 'read ingredients' and send them to a combinator to manipulate quantities, and then to a buffer or ...