As in the title. If anyone knows - please - share that knowledge.

As the message in the topic. I want to hit 55, make dailies, get geared up from PvP Vendors etc. I actually make only Class Quests (I WON'T MAKE ANY SECONDARY TILL CORELIA, BECOUSE THEY ARE GREEN = OVERLEVELED = LESS EXP) and Kuat. Is this anything I can make to speed up this process. I have XP boosts + some legacy boosts. I only want to know how to increase speed of leveling at this stage, becouse 400k XP per level is too much for me without any specific method to level up faster.

SPOILER ALERT IN THIS MESSAGE! Gearing is not problem for me (i suppose). But i want to know is this possible to defeat without major problems Darth Baras?

The same as it is in the topic. I'm intrested becouse I want to finished Class Story quickly becouse I'm inpatient about "What the hell will happen next?!" and I;m asking you what level you were when you finished them. I'm actually Sith Warrior at level 47 if that matters.