When http://www.wow-europe.com/en is down, I tend to take a look at http://www.worldofwarcraft.com.
Which I just did
There I saw that they are launching the above service on the US servers.
Perhaps we can expect something similar to hit us within a short period of time ?
If so it would be excellent!
I so miss my warrior I left behind on ER
But with my luck, they will only open for ER-migration when I am away on holiday, and thus I would miss it - yay - I'm so optimistic