Firstly: Happy Belated, Aspen!
Second...
I've had an SSv3 and B1200D in my shopping cart for months now, along with an SM10 mixer and Sweetwater-branded cables to start my first rack setup in an SKB Studio Flyer case. I was just about to finalize the order (36 month financing, you win!) when I thought to poke through this thread again first. I noticed the above comments and wondered whether I should I rethink my choice of mixer and/or cables. @HAM&EGZ: Could you or someone else please elaborate on was meant by gain staging issues? Did the SM10 not send a loud enough signal to the SS?