And then there STILL isn't an LED notification.
I can confirm that I had the LED on when the phone was powered-off right after the update came out (it was really bright--you couldn't miss it). It stayed on for the duration that the cable was plugged-in.
Last night, I tried to recreate this to take a pic of it to post, and the LED did not come back on.
Looks like Moto has some more work to do to make this work consistently and accurately (would like it to come on even when the phone is powered-on and booted-up).
edit: I just tried the following:
1. powered-down the X, plugged phone into wall-charger: no LED indicator, but phone powered itself back on and rebooted without me pressing the power button (wth?)
2. powered-down the X, plugged phone via USB cable to laptop; no LED indicator, phone powered back on and rebooted (still confused that its doing this)
3. powed-down the X, did a battery-pull, plugged phone into wall-charger:
LED indicator came on for almost two seconds, then disappeared; phone then restarted w/o pressing power button
4. powered-on the X, plugged-in to both wall-charger and USB (no, not at the same time

): no LED indicator
Does anyone else's phone power back on and reboot from a completely powered-down state after plugging it in to a charging source? My Eris did/does NOT do this.