I have already answered your email that contained this same question, but thought I'd post my response here as well, in case anyone else is in a similar situation:
The paraliminals you have mentioned are all worth considering. What paraliminal will work best in any situation is going to be dependent on why you feel you aren’t currently operating up to your full potential. Tune in when you feel you are off focus and see which paraliminal seems most pertinent at that time.
Also, for anyone doing intense studying or prolific reading, Personal Genius before going to class, studying or reading, and Memory Supercharger afterwards are great choices. Personal Genius will enable you to be at your most creative and receptive during your learning sessions and Memory Supercharger will lock it in so you can integrate it thoroughly and then bring it back to the surface on an as needed basis.
All the best!