Sorry, there is no reason not to release a tentative schedule of ALL the servers instead of keeping a majority of people in the dark.
Here it is:
next week: Riddermark and Gilrain
then: Firefoot and Eldar
followed by: Nimrodel and Anduin
later: Windfola and Morthond
after this: Imladris and Maiar
at a later date: Dwarrowdelf and Vanyar
next two: Silverlode and Withywindle
not to forget: Vilya and Snowbourn
finally: Meneldor