Emphasis on the 7 in the shape to give the overall logo something strong to hold it together, considering we've got the "The" as an element which can clutter things up. This gets around that and makes the logo very clean and professional.
My two favorites are #589 and #592. I know you were working at the last minute and you graphics are amazing. I will be meeting with our senior team tomorrow and we should let you know more early next week. Thanks so much for sharing your ideas with our company.