Straight up, I support Liberty and think it's a great company. However, the Predators this year were very stiff and unless you're built like a convict, they won't be so good for you. My shop was shown a pair of next year's KGBs (160, 170, and 180 cm), and they rock.
So from a shop kid that sees a lot of skis (including Liberty), my answer is that if you must get a pair now, get the Peps. If you can wait until fall, get the KGBs.