Yeah, I don't think I can sell mine either. Simply the perfect headphone to me, but some people really hate the sig lol.
I have heard the SR-009 and while it is better, IMO not worth the effort for the tiny upgrade. If I had 10 grand to spare though, that might be a different story
Anyway, I probably shouldn't derail this thread any longer, back to how wonderful the Titan 1 is