wasn't the %proc of dual rage lame ? i think that the buff itself is a must as yul, but if it activates only every hours...
it depends on your gear & ap really... if you have decent gear and you have hands you don't need the hp imo. flash, dispa, hide, assassin set hide, ue, etc. you don't lack skills to keep you alive, and unless you have a ton of gear you aren't focused as far as dds goes because yul lack the dmg a dagger & feoh can output.
well, when all those are gone, what leaves you is hp and p/m def. m def is bad, p def now much. if ppl have full pvp set, rulers authority, tauti and etc, yeah, better put dmg.
thing is, if you have a **** gear you'll get destroyed in matter of seconds anyway, hp build or not. on the countrary i'd probably go hp if i had pvp set and all that jazz since you wouldnt need more dmg. i prefer get decent dmg first than decent tanking as dd since if you dont make dmg you wont be targeted, making the hp useful mostly against aoe