Before you go out and buy a nice big 42 inch screen for HDTV, ponder on this first.
My assertion is that an LCD display is more suited for HD than Plasma, because Plasma usually comes in real small resolutions.
LG is the world's largest Plasma manufacturer, so taking a look at their website:
Model : 42PX4RV Resolution 852x480 (WVGA) eerrr... a 42" Plasma Display which supports 480P only?
Model : 42PX5R
Resolution 1024x768 (XGA) - what a weird resolution... for 720P at 16:9 ratio, the number of vertical lines should be 720/9 x 16 = 1280, 1024 needs to be rescaled.
This is not comprehensive, but just before you buy, take a close look at the plasma's resolution specification. for 720P, you need 1280x720, and for 1080I or 1080P you need 1920x1080. I've limited my discussion previously to LCD TVs only, so if you elect to buy a plasma, which is way cheaper, take a few minutes to look at the brochure!
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