I may as well throw my opinion in here. I don't think it's possible to generalization about which section of the test is most important. Every school is different, and certain people will be more impressive with a higher verbal score while other will be more impressive with a higher math score. For example, I have a lot of bilingual SAT students here in San Francisco. For them, getting a high verbal score is more impressive, and I think a lot of the adcomms think the same. Other students who grow up in monolingual environments may impress more by having a higher math score.
And many schools, the UCs out here for example, look at your highest total score before they consider your scores on the separate sections.
Bottom line is that it's not really possible to generalize.
Disclaimer: This is just my opinion, of course.
