Actually it's not hard at all. I've managed to equip not only myself but all of my companions with lvl 66-69 mods.
I am actually getting more and more, but it will take rather long.
And I thought becomng a Sith implied taking the fast 'n' easy path...
You just have to think outside the box.
You mean like... getting a job at the Sand Speeder Wash at Mos Ila??