Hi,
I went through the MEDPREP program at SIU to boost my GPA and MCAT scores. I applied and interviewed at both SIU's and Indiana's postbac but chose SIU because it is more established and has a pretty good acceptance rate (shown by the competitive application process for the program). I only applied to the IL schools and interviewed at 5 of the 7 med schools. Another program to consider would be the one at Finch/RF, which seems pretty similar to the one at Indiana. If you are applying this time around, U of I has a postbac that you have to be invited to apply to if they do not feel that you are ready for med school yet. Hope this helps a little, good luck with everything!