They'll look great on my urban Infinity table, and are perfect for objectives.
I did a simple dark metal color scheme that was very quick to paint up - these three took about an hour and a half to paint in total, then glue the acrylic pieces on.
Over Black Primer, they were airbrushed VMC Black Grey, VMC Neutral Grey, VMC Light Grey and white. Edge highlights were done mostly with VMC Light Grey. Some white paint and then Ghost Tints provided the background glow for the colored screens.