Very interesting game. Here is my take on it:
Prep is bigger and quicker across the board. They are much more physical especially on the perimeter. They are average shooters. They like to attack on the bounce. They rebound well.
HD is a much deeper team. Their size on the post will matchup with prep, but prep has an advantage in size on the perimeter. HD guards are probably better perimeter shooters. HD point is probably quicker than prep, but prep is probably quicker everywhere else.
Someone other than HD point guard will have to help handle the ball.
My keys to the game:
HD must handle the pressure of prep. I don't think many teams can simulate the strength and quickness of prep in practice. Prep must stay out of foul trouble, they are really only 7 deep. Prep will have to make some outside shots. Claytor will be a matchup problem for HD. The big key, I think, Is style of play, if it is really physical I think Prep wins. If it is not allowed to be real physical HD will win.