Hi Def is an amazing invention for all sports - the grass is greener for football, the players look like you are in the front row for the NBA, and you can actually see the puck for the NHL. Not many people are big fans of the NHL in the US - Canada is another story.
If you have ever been to a NHL game in person there is nothing like sitting on the glass. The action is nonstop and hard hitting. But if you have ever tried to watch it on tv it is awful. The NHL Finals are in progress and if you have HD you can see an amazing difference. You can actually see the puck and all the glory that comes with all other sports in HD. I don't know if HD will give any more fans but it might stop people who are flipping channels for 5 minutes.