Elementals - x - Velkitorkin/Menlo -
Tirranun - Volkara
Time - Hulcror - RCoD raid targets - Ikkinz -> uqua -> inktuta -> txevu-shyra
RSS King - Rikkukin - MPG trial of corruption - MPG trial of hate
Kessdona - Tacvi - rest of MPG trials
Anguish (Keldovan Ture) - Yarlir - Tacvi(tunat) - Bloodeye
Anguish (Hanvar->AMV->Jevlin)
Vishi
havent gotten any farther
Each line is approximately the same difficulty (for my guild at least) and each line is progressively harder. Those with -> are progressively harder on the same line... those with - are approximately the same. IMHO.