Thanks for your post. About your candidacy, I recommend you read this case study of a candidate who sought a 2nd MBA and was accepted into a top program. It should provide insight for your candidacy: http://www.stacyblackman.com/2011/08/25 ... econd-mba/
For your GMAT, it's important to remember that on your MBA application your highest GMAT score is self-reported. For this reason, there isn't any harm in taking the test again, as admissions teams will focus on your best score. We normally recommend that applicants who believe they can improve their score by 30+ points take the exam again.
If you'd like, we also provide free 30 minute phone consultations here: http://www.stacyblackman.com/contact/
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Stacy Blackman | Stacy Blackman Consulting Inc | http://www.StacyBlackman.com | +1 323.934.3936
MBA blogger, US News and Author, The MBA Application Roadmap