if i pick up students, i will take those who are intersted in my research, and more importantly, working on things similar to mine. i think scores are only threshold. Once you pass them, your research potential matters more.
Agree with buckeyeTD. Research potential is the most important issue. You interest indicates your committment, while your background (quantitative training, working experience, research experience, etc.) will determine how well you can do in this field. GPA and GMAT are good benchmark of your acedemic ability.