Below are the European English servers, organised by rule set.
Core
Axe Bite Pass
Karag Dron
Karag Orrud
Karak Eight Peaks (Desctruction?)
Karak Ungor
Karak-Azgal (Order)
Karak-Hirn
Karak-Izor
Karak-Norn
Karak-Vlag
Karaz-a-Karak
Open RvR
Dragonback Mountains (Destruction)
Eltharion
Finuval Plain
Mount Silverspear
Sea of Dreams (Order)
Shifting Isles
Tiranoc
Role-Play
Burlok (Order)
Makaisson (Destruction)
Open RvR Role Play
Alarielle
Ellyrion
Pick a couple and select the sides at least .. I've suggested a couple off name but some of it is down to what population they end up with...