hello everyone 
i will be honest i`m a bit stun  with what i read here and this dont really make sense to me , so let try to break it down ,
in my opinion  everything the choppa have is at a high cost   compare the slayer  and the marauder  ,  the choppa really have anything free compare other class 
let break it down 
let start  with the marauder    
tactic (piecing bite )  bypass -50%  armor ignored,  what is the value of this tactic  14 ws=1%armor ignored  mean 14=1%x50% =700 weapon skill free  , do you realize guy ? a much weapon skill stats is free and how the class is so flexible to build because this tactic , and this free all your tactic slot  compare the choppa have no choice to have tactic stats  on it , and have hard time to play  2hander ???   the marauder have  no downside + path of Monstrosity  offer some healing free  no target restriction  better base damage for ability  , i`m and have 0 probleme to breakdown every skill and ability  and this out match the choppa  with  0 cost and any penality for the marauder np all day, losta choppin 

  vs demolition     3 target vs  unlimited       93 to 133    vs 138     no match  , add tactic for more target extre  chopping  get -20% dps   so your choppa rage  only make you take more damage  

 on the top of this marauder  buff with ferocious assault  and mutated agressor  

  and more ...
the slayer have the same issue of the choppa  with build  they are not flexible
most of they  tactic  same with choppa need to have stats  tactic 
but what really help a lot the slayer is rampage to be able to bypass the cost of 75% parry and blocking is just insane  ,
 this is where a choppa lost a lot of dps and hit a wall , this is where  slayer are able to push the front line on the battle field  and drop the tank  but  not the choppa  , choppa suck vs tank  and struggle is support role too  hold or pushing the front line  
right now in my opinion the choppa is only the noob and casual killer  on the battlefield , compare the slayer zerg ball   
 and to be honest is not easy to fix this with the minimal change to the game   and with the less codding for the devloper , 
also he need to respect the mirrior  class   but also  slayer need to have is identity same with choppa,
 so i think is fair slayer will be the aoe monster   and choppa the single target with (yer getting soft) and  slasha in path of da savage    the critical hit from (yer getting soft) is not op because you need to have a block of parry before also single terget are from close range compare aoe are from 30 feet  , i`m pretty sure the dev are able to dps check everything in test server , choppa single target  vs slayer aoe   this is the  minimal change to balance both class  and  dont change the slayer  and  minimal codding ,  thank you