I happen to notice that in comparison for the 2011 models of plasma TV (pana/samsung/LG) as compared to the newer models, the newer ones have lesser inputs such as hdmi and even the analog ports are either shared (composite/component) or removed (VGA).
I happen to compare this with Apple's computer line wherein the technology found on higher models by the time the next generation comes, the features go down the entry levels.
In the case for flat panels it is the reverse, they cut the inputs, etc instead of adding features.