http://eu.battle.net/d3/en/profile/Awoudex-2682/hero/10217174 - my dh (dunno if updated)
currently i have 2 setups with my dh: low mp speedfarm (lower armor/ar gear, higher pickup)
and tanky ball lightning spammer
stats for mp 2-8: 60+cc, 500+cd, 4k+ armor, 35k+life,400+AR, 160k+ dps
perfectionist - archery - nightstalker
bola/volatile - ele/ball light - vault/reduce cost rune - prep/focus mind (have no +max disc on gear, and mostly use it for backtracking, very rarely on tough elites when mass vault is needed) - companion/bat - shadow/gloom
gear: get at least 1 piece with pickup radius, no loh or life leech is needed
stats for mp0-1: 60+cc, 500+cd, 3.5k+ armor, 30k+life, 350+AR, 170k+ dps (noticeable increase in 1-shot clearing when higher than 170k)
vengeance - nightstalker - tactical advantage
bola/volatile - multi/reduced hatred - vault/reduced - shadow/gloom - companion/bat (can be ferret too if low aps and high dps) - chakram/shuriken cloud (you can actually walk through doors, no need to stop and shoot)
with the first one i can do almost anything in the game, with the second one i can get exp rly fast, and i only need to change 2 pieces of gear for the higher mp's
gear: get high pickup radius, minimum 12
you can change bola shot with hunger arrow/spray of teeth with this high CC, but the AoE of bola is always there, which makes it more efficient for mobs (get imminent doom if you are in an uber game

pm me if you have questions or pointers
greetz Arn