Getting a bit off topic but the best ranged toon that is not a ranger is a helwalker/streetfighter shadowdancer with blunderbuss+pistol or 2x blunderbuss.
Best ranged dps that is a none ranger is definitely blunderbuss streetfighter/helwalker shadowdancer - I think you can find that build in the build list. It may be even better than the ranger variant actually.
Midliner and reach weapon that is not wizard I would alas also go for a monk/x build using instruments of pain to convert any reach weapon or good melee weapon into a reach weapon. But it comes together quite late. Works well with those aoe melee weapons like Wohai, WoTeP etc to use them at a distance. other thjan monk you can use whatever else really like monk/priest, monk/barbarian etc. Or pure monk even if you want to get instruments of pain earlier.
The helwalker/streetfighter might have the highest burst if you're using full attacks+scrolls and if you like to micro manage your character more than actually fighting. However for steady dps the best ranged weapons are Red Hand/Aamiina's Legacy.
Also I don't see the point of using Wahai Poraga/WotEP at range when their AoE stays always near you. Instruments of pain works only with Citzal's Spirit Lance but it comes very late and isn't really required.
PS. Also I'm not sure if most people are aware, but while Citzal's Spirit Lance does normal single target damage, its AoE damage isn't better than what WotEP does.