(GRE Success! ) help me plz

Hello,
Myself Prashant Dewangan, 7th sem mechanical. I intend to pursue MS with  Industrial engineering and operations research as my majors in fall 2012. 
my profile:
GRE  :1360 (780Q+580V)
Toefl:104 (R26,L26,W28,S24)
B.E till 6th sem: 59%
12th: 63%
10th: 80%
 
following are the universities selected:
1) TAMU
2) ASU
3) USC
4) RUTGERS
5) MINNISOTA
6) SUNNY BUFFALO
7) St. CLOUD
8) UNIV OF PITTSBURG, PENN

please indicate my chances of admin according to my profile.

Also, regarding admission process, how does the sending of Transcript and LOR work? shall i be applying online without the transcripts and send them by mail, or wat? and should the LOR be sent by my profs online or wat??
PLZ help me, an growing nervous as the dates are approaching!!