It's true that technology in components and algorithms evolve to improve black levels, contrast ratios, cost effectiveness, uniformity and color accuracy. However sets are now good enough, so now manufacturers are looking at ways to deliver more content via way of internet widgets.
So better ways of delivering inclusive marketing and interactive content is part of future tech.
But this shouldn't prevent you from enjoying the latest and greatest today!
Look at what you're currently missing out on, Xbox360n & PlayStation online gaming, Bluray 1080p, 7.1 sound.
I predict that in five years, the manufacturers (the ones still standing) will corrupt the governments to mandate A/V implants in citizen's brains for marketing propaganda and demographic control...and no, that won't be fun.
So, enjoy your freedom today and what life has to offer -- today, without worrying about tomorrow...And who knows, tomorrow may never come.
Oh, and if you're contemplating upgrading to a critically acclaimed modern LED based DLP (SAMSUNG), you best act fast. The prices are starting to rise on these as the rising demand is exceeding the diminishing supply.
--- Or be stuck paying 3+ times more for a comparable LCD or plasma.