I posted in the other "unique/custom" thread with my L's V1 custom display in the gauge cluster:
Since that is now a full time track car, I bought a WRX wagon for a daily now and did the V1 clock mod to it. However, I haven't seen anyone leave the clock plastic so when the V1 is off you can't see a display in there. I'll probably change the LEDs in it like the one in my L eventually.
Installed into clock:
V1 boot up:
V1 main unit, going to add a windshield tint strip to hide it even more: