Atmasphere, thanks for taking a try at my question. I realize it is not a trivial inquiry. I find it refreshing that while you design what I consider a very expensive expensive linestage that you don't see any technical or sonic need to come out with an ultra expensive product.
On another note -- I find the argument that a linestage is needed to correct for the source component's imperfections a very un-audiophile like line of reasoning. For if the source requires correction, then why stop at a linestage? Why not insert a device with graphic/parametric EQ, phase compensation, reverb, compression, harmonic overtone generator, etc.? And you can't use the old signal purity argument since you've already argued that a multi-gain stage device with signal switching and volume control is required anyway.
On another note -- I find the argument that a linestage is needed to correct for the source component's imperfections a very un-audiophile like line of reasoning. For if the source requires correction, then why stop at a linestage? Why not insert a device with graphic/parametric EQ, phase compensation, reverb, compression, harmonic overtone generator, etc.? And you can't use the old signal purity argument since you've already argued that a multi-gain stage device with signal switching and volume control is required anyway.