As long as Michael Giaccino, Bear McCready and John Williams are on the job, I'm happy with the film score situation.
Now you're talking TV themes, which is totally different from movie scores. TV in general has become a much narrower cultural phenomenon because audiences are becoming smaller and more specialized as the number of shows increases and allows them to target exactly the shows they like. My favorite theme of all time is on TV right now: Dexter. But only 2M people watch Dexter out of a population of 300M, so of course it isn't recognizable like the shows in the olden days when you had three networks and that's it. Mad Men also has a great theme, and a similarly tiny audience.Nearly any score that has made it to the status of being somewhat publicly recognizeable is probably from prior to the year 2000. How many people (general populace, not us film geeks) could recognize the theme for Lost or nuG, but I bet they'd recognize (if not actually name) MASH, Star Trek (classic), A-Team, Knight Rider, etc (to use only tv themes).
The two soundtracks I play the most (to the point of obsession, really) are SW: ESB and Dexter.
Mad Men's theme is wicked because RJD2 is awesome.
[yt]http://www.youtube.com/watch?v=ezt2A4Nlwqw[/yt]