I use this as a "demo" mixdown device with my 8816, and it's great for that. I had a problem from the start with intermittent leds (for mute and solo), which necessitated sending it back to the UK for repair. It took 2 months.
Ultimately, the build quality is just mediocre. The faders feel kind of sloppy, and the aluminum faceplate has an unfinished quality to the edges. I'd expect more for the price, but it IS very convenient, rather than twisting the knobs in the 8816, PLUS the faderpack frees up the level knobs to be cue volumes - very nice.