No, not motorised: I did fit a motorised rail at first, before I made the white underside panels that the Gliss is mounted on. However that track was quite bulky and I didn't want it on show. I use them on the main house curtains as the tracks are hidden inside the pelmet/underside covers I built. They're less obvious unless you look up inside as you can see in this picture:Is the Gliss motoroised? How much does it cost? It looks amazing. Not sure if I should wait until the extension to it in place tho if its pricey as I'll end up having to do it twice.!
Mark's idea of spraying the tracks to blend them in is good too, if it better matches your ceiling. In my case the ceiling cover has a section that hangs down and goes in front of the white bit of track/top of the side curtains. Less for contrast reasons, but more to make it less distracting/more immersive.
My sides are 3 metres deep, partly just because I could, but also to hide the white radiator and white of the door frame. You'll find that once you cover some bits, then something else might catch your eye. It does reach a point of diminishing returns, especially for a living room, but if I had a fully dedicated space I know I'd want to go black everywhere.