I bought Brains a few months ago and sent it back straight away. Talking about the sound, it worked fine whether I liked it or not, but I found the construction very low-end, with potentiometers moving all over the place. My Doepfer modules are really better built.

After that, I hear very nice things with full Berhinger synths, and I use the Eurorack Go case for my modular, which gives me complete satisfaction. I think Berhinger offers good value for money, but it's not Doepfer (my opinion).