Hey, those pros are copying our idea of playing HA! At the Aussie Millions cash game this year they started doing a NLHE and PLO rotation. And wouldn't you know it? They happened to film it and it is now on the Internets for our viewing pleasure.
Link to first segment of first episode: http://pokertube.com/Movies.aspx?movie=9594&KeyID=1&title=Aussie_Million_2009_Cash_Game_Part_1_1_4. You're on your own for the rest of the links!