Yeah absolutely, I'd say you can gain 5 or 6 points just by getting used to the format. I never ever practiced a single verbal problem or concept and my scores in it on gmatprep went 35, 37, 38, 44, 42. And the real GMAT verbal was about the same as gmatprep 1, gmatprep 2 seemed a bit easier than the real thing. Of course, maybe I'd have improved even more if I'd studied. Its up to you, but do practice the format of the test by taking lots of practice CATs, something that people often overlook.