So, I grew tired of the maintenance message and decided, "What the heck?", so I tried logging in. To my joy, my screen immediately started downloading an update. I launched the updater and there it was: 220.127.116.1159, streaming down through the Internets to warm the dark rotting recesses of my Undead heart.
Why am I so pleased to get an update and still be locked out of doing anything since the realms are still down, you ask? Easy: I have a new Intel-based iMac, and this patch seems to have finally made World of Warcraft run natively rather than via Rosetta, as the comment at the bottom of the login screen no longer mentions Rosetta, but only GCC Intel. Nice!
For the HORDE!