Pretty much what everyone above has said....with the exception that if youre a lazy, slow, socially unproductive brd like me, macros are your best friend. I use these for Frontline/ Wolves Den but have kinda started using them too in PvE. Better setups out there but if it helps at all..:

Heavy Shot macro-
Line 1> macroicon heavyshot
2>Misery's End
3>Haymaker
4>Bloodletter
5> Internal Release
6>Heavy Shot
7>Blunt Arrow
8>Repelling Shot

Straightshot and Bloodletter macros pretty much have the same setups. Using these, I never have to worry about Misery, Countering, or ESPECIALLY Bloodletter procs the very second they pop since list will prioritize on w/es up in listed order. The other was...