Definitely possible to obtain decent results. LR5 alone will allow some pretty good "developing". Check out the various youtube tutorials. Also, the Nik software suite and the On1 software are very powerful and easy to use. The nice thing about it is that they work from inside LR5.The Manhattan from Brooklyn is especially good. I'd like more of my own photos to look more like art than just a literal snapshot of whatever, and I've seen the light so to speak, but it isn't easy to produce the best results. You've got some of that magic going here, and it helps me think about new work seeing this.
That's as good as I've seen with such a narrow DOF. I've been plagued with DOF issues on my Q camera, and it just seems that having the larger sensor pulls me away from autofocus, so that I have to set aperture and focus manually most of the time.Here's one with the 50mm Summilux using VSCO and Nik. in LR5
How about that!I have found that veiling flare always helps with HIGH-ISO shots. It gets the image above the "dark-Current and Read-Noise", over a threshold that masks noise. My older single-coated and uncoated lenses do better at High-ISO. It's the very-dark regions that make noise more visible.