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Detox101 - Yes I do agree that Plasmas are a bit bulky, radiate a bit more heat and consume a bit more power but I find the picture quality close to the very high end pure LED TVs.
Compare all 4 side by side : Plasma TV, LCD TV, LCD LED TV and LED TV. Then you will notice the difference.
Power consumption is not a major factor in televisions - usually televisions run for around 4-6hours in any household - but yes if it runs for more hours then you should definitely select LED. The power consumption of Plasmas is usually around 200-220w / hr as compared to around 100 for LEDs or LCDs. Some higher end LEDs do consume much less power.
I would say you check out Panasonic or Sharp and Sony in that order.
Also check out Pure LED Range and not LCD LEDs.