Soldato
Dungeons you can do on anything easily. The power creep introduced with HoT means dungeons are on the whole a faceroll now. There's only really Aetherpath that gives any challenge.
Fractals have had some good QoL changes and are worth doing now; they are in sore need of some new islands though, should be coming later in the year.
Living Story 3 starts after summer.
If you are looking at raids with a warrior:
Phalanx Strength - http://metabattle.com/wiki/Build:Berserker_-_Phalanx_Strength_(R)
Burnzerker - http://metabattle.com/wiki/Build:Berserker_-_LB_S/T_Maximum_Condition
Fractals have had some good QoL changes and are worth doing now; they are in sore need of some new islands though, should be coming later in the year.
Living Story 3 starts after summer.
If you are looking at raids with a warrior:
Phalanx Strength - http://metabattle.com/wiki/Build:Berserker_-_Phalanx_Strength_(R)
Burnzerker - http://metabattle.com/wiki/Build:Berserker_-_LB_S/T_Maximum_Condition