If your looking for mods that replace clients check MicrocontrollersDev's github page.
I recomend looshhys packs bu I dont care what pack you use.
The mods I recomend using for forge PVP. Sk1er patcher (Sk1er LLC) Powns ArmorStatus and PotionStatus HUD Mods (Powns) EvergreenHud (IsXander) HUDcaching (moulberry) Compact Chat (Sk1er LLC) AntiDreamskin (moulberry) LevalHead (Sk1er LLC) OptiFine (sp614x) PerspectiveMod (DJTheRedstoner) Popup Events (Sk1er LLC) TimeChanger (Shatterpoint) TNT Time (Sk1er LLC)
SoonTM