Frostbiter: 'I go to Dantooine directly first, no talking or leveling up just to get the crystal then head over to NS.
Take a look in guids section you will find what you are looking for. Following that, I would have Atton, at this point a Jedi Sentinel, to Force Storm the enemies, and Kreia renews the Force Whirlwind. First thing you should know about the SWTOR getting a Lightsaber guide is you can't get one until after you do a certain quest. You're going to need to pick a side of the force and stick to it during the first chunk of the game if you want to get your lightsaber.