First of all, your not a pvp'r because if you were you know DPS means nothing in pvp. You called yourself a DPS Sage LOL....
3 most important things in team PVP is HEALING, utility, and burst. With that said a healing sage is the best pvp class/spec combo in the game hands down. Sure a balance sage has some utility but their burst is non exhistant and their healing is weak..
So fix your spec as a sage and stop whining.. Yes I am a pvp'r, I pvp only... The only PVE I do is the class quests and none else. I have a BM Scoundrel, a lvl 40 (healing Sage), and a Jedi Guardian.. The healing Sage is easily the best of the 3 and makes the most difference in any pvp encounter.