With increased production the LCD/Plasma TV's will drop, significantly , in price. BUT, if we try to justify hanging onto old technology (tube) units, this will delay the process.
This entire situation will be resolved gradually as more and more people opt for the LCD/Plasma units and manufacturers simply decide to phase out their tube units as demand for them dries up.
Light bulbs you shouldn't buy
There are plenty of dimmable LED light bulbs, but make sure you don't buy the ones that flicker when you dial them down.