I don't understand your comment about foot position......putting the balls of your feet in front of the peg to keep from getting blown back. I've been at 176 MPH indicated at Road Atlanta with the balls of my feet on the pegs (proper foot position) and wasn't blown back. As your speed increases, keep your feet in the CORRECT position, but slide back on the seat a bit and tuck your upper body down. It is a really bad habit to ride with your feet hanging down...especially when it comes time to lean the bike into a corner.
Also, good foot position involves not only riding with the ball of your foot on the peg, but also "rotating"your heel into the bike (heelguards, swingarm, etc.) when you are sliding off the seat and getting your upper body down and going into (leaning) a corner. That foot position helps stabilize you on the bike and also allows you to keep a very loose grip on the bars. I'll try to post a good picture tonight when I get to my home computer.