Hi Marc,
You are right, the program is PAHUD. You can try it for free, and purchase it for $25 at
http://www.pokeracesoftware.com/
As far as how to get it to appear, here is the tutorial on the pokerace website:
http://www.pokeracesoftware.com/hud/tutorial.php
You also might find the classroom video 153 helpful: "Stox presents a tutorial of the Poker Ace HUD program."
http://www.stoxpoker.com/videos?sear...he%20Classroom