Take a look a this article: http://www.pcworld.com/article/id,137934-page,1/article.html. I don't think you'll have to hold off on making a TV purchase; it doesn't seem as though these will be in use any time soon, but its cool to see where things are going.
What is your TV's resolution?
480i (0%)
480p (14.8%)
720p (3.7%)
1080i (29.6%)
1080p (37%)
I don't know (14.8%)