Just found a progress tracker for the Sunwell phases (One US server has reached Phase 4 already) It's a bit out of date at the moment but...
http://www.gorgonnash.info/realm/Moonglade
Apparently, the anvil will be another 3-4 days and Phase 4 in another 1-2 weeks, so not bad. Sandwiched between AD and ER.
Most surprising for me was that one of the fastest EU servers in the phases is a German RP server...