power issue not so big a difference right now,, you can verify on manufacturer's website.
I would go samsung or LG,, what will be your deciding factor plasma vs LED,, where are you going to put the TV? if somewhere like a livingroom where natural light will hit the screen, you will have amazing amount of glare if plasma - so go with LED in this case.
Also, another final thing is to see the TV in person,, go with what you think looks better
I have cheeked with Samsung website.The plasma model consumes 2x power in normal and 3x max rating.But that's only a minor issue.How much is the glare compared to a VERY SIMPLE CRT tv?I will try to have a look at different screens.
Thanks for your reply.