Age: 29, American/Caucasion Male, Married, two children

I am planning on applying to schools starting in round 2 in Jan '13 and seeking a profile evaluation.

GMAT: I recently took the GMAT and scored a 640 (Q44, V34). I am planning to take it again with a target of 680-700 but I am seeking an evaluation based off my current score.

GPA: I graduated with a BA in Economics from Brigahm Young University with a 3.27 cummulative GPA.

Work/Volunteer Experience: I currently have 2.5 years post grad work experience as a Consultant in the automotive industry for a CRM software company. (In a nutshell I travel all over the country consult with GM's and Dealer principals on how to best implement and utilize a CRM in their car dealerships.) Also, prior to completing my undergrad l spent two years living in Mexico and volunteering as a missionary for my church and I became completely fluent in spanish. While completing my undergrad I also spent two years recruiting and managing sales teams of 30-40 people and I ran two separate successful offices in different locations accross the country.

I have held many in the past, and currently hold an appointed leadership position in my church for which I volunteer a minimum of 5-10 hours each week of my time.
I actively participate in service projects in my community.

My #1 of school of choice is USC Marshall. I am also interested in UCLA Anderson, and the Marriott school at BYU. I realize my current GMAT score is on the lower end of the 80% range for all three of these schools. That being said, what are my chances at any of these schools if my GMAT does not improve?