HD On-Demand??

[rragland]

Originally Posted by Sporty

Lines of resolution.

Long story short 1080i is interlaced, drawing every other line then coming back to get the odd lines on the next sweep. 540 lines on the TV are used. 1080P sets actually draw 1080 lines of resolution each pass.

But back to your topic, even 1080i from cable on a 1080i set wouldn't look as good as a Blu-Ray on the same set at 1080i since Blu-Ray has far higher bit rates on sound and picture.

You beat me to the post. Didn't mean to post duplicate information.