How can I optimize my weapon damage on bosses/trash

Currently using dragonmaw MH and latros OH on my human fury war for boss fights. Because the fast wep helps with rage gen is that the right move? I dont have vindicators brand or spiteblade (yet to drop) for a slow OH. What I do have are some slow dungeon blues w/ same dos as latros like Terroks mace (2.0) and the Phospherant sword (2.4) which I use on trash. My question is should I use one of those in OH for single target bosses? Have over 36% crit raid buffed with a feral