(GRE Success! ) PhD APPLICATION HELP

Hi,
My Scores are as follows,

GRE:
Quant -780
Verbal -530
AWA -3 

I did my Engineering in Electronics and Communciations Engineering from WBUT with a UG GPA of 8.3. I have 1.5 year experience in TCS(irrelevant)

Currently masters student in Vanderbilt University (GPA 3.3  ..Major GPA 4.0)

Research Area ----Detection and Estimation Theory

Research---Phoneme Recognition using HMM and matching the phonemes of normal people with the phonemes of High Risk,Depressed Person(This is not the exact title but working on this one)

Publications --None yet...Working to submit one in ICASSP 2013

P.S.My Professor is ready to take me as PhD in Vandy but still i am looking for some better opportunity,as i am satisfied with the research over here in Vandy

Initial University List

University of Minnesota

Ohio State (Off lately they gave loads of Unfunded PhD,dont know whether i should apply or not)

Rutgers (looking to apply in WINLAB for application of Signal processing in Communication)

Univ of Utah (SPAN LAB)

University of Florida

Iowa State University

Rensselaer Polytechnic Institute

University of Iowa

University of Maryland CP (Speech Processing Grp)

Michigan State University

Since my overall GPA is somewhat low will it affect my application ???My Major GPA is 4.0..Also i will be applying to the universities those who have a deadline of 15th Jan after my 3rd Sem result and i am confident of getting another 4 which will lift my GPA to 3.51

Please feel free to suggest any other Universities