This is more old news, but things are happening that will allow standard CD writer components to write to 2 gb discs. If this catches on we really won't need Blue Ray to record and play HDTV. Of course, all of your present equipment will be obsolete. But the new stuff should be cheap since it uses standard components.

http://www.calimetrics.com/Technology/Overview/overview.html

http://www.calimetrics.com/News/Releases/sanyo/sanyo.html