Connect Channels in Materials

In many cases my Alpha/Bump/Color channels use the same Shader settings.
Wouldn't it be great if we had a node-like patch bay (Expresso-ish) to connect these instantly from within the Material Editor?

I tried to use Set Driver/Set Driven on the main level channels, but this did not work correctly.
(See picture - I set Bump as Driver and Alpha as Driven, but this did not work out in the depth of all layers of my channel)