GMAT 640 / 5.5 + 5 yrs of work ex. - which school suits me?

Hi Folks, I am working with a reputed IT company in the capacity of an Astt. product manager. I will complete 5 years of work by November 2009. I recently took my GMAT and scored 640 / 5.5. I applied to Nanyang, NUS, AIM, ISB, Erasmus (Rot…

Hi Folks,

I am working with a reputed IT company in the capacity of an Astt. product manager. I will complete 5 years of work by November 2009.
I recently took my GMAT and scored 640 / 5.5. I applied to Nanyang, NUS, AIM, ISB, Erasmus (Rotterdam). I do not know how good 640 is for these univs.

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My profile:
10th: 81.2% (All India topper in Hindi - B, 199
12th: 88%

Engg: production engineer (College topper across all branches and university ranker - Mumbai University)

First job: Nerolac paints (junior quality officer)
Extra curricular activities: Average.
Performance in job and job profile: Won few accolades and took initiatives within my team so that everyone works better. Set up processes as a part of my current responsibilty, improving productivity.
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Can any of you suggest some good B-Schools, which will accept me with a 640 / 5.5 looking at my profile? Please help me out. Budget - No issues. Thank you.