What about acts you used to like but no longer get? I used to like Sonic Youth in the eighties, but I now just don't see the appeal at all.
I used to really like The Fall, and saw them live 5 times, but I don't think I'd ever listen to them again. Looking back at albums like "Grotesque", "Infotainment Scan" and "Middle Class Revolt", I know why I liked them- they seemed like iconoclastic sideswipes at ligger culture, and some of the lyrics (esp "M5" and "City Dweller") were dripping with black humour. "Grotesque", which I incidentally thought was way better than "Hex Enduction Hour", reminds me of those dead winter afternoons in skintsville, Camberwell, when songs like "Pay Your Rates" and "C&C" suited the atmosphere of grimey windows, weak tea and awful daytime TV shows...
But I can't understand why I liked them THAT much, they sound faintly embarrassing to me now, and I'm just glad the group never became so popular that I'll have to suffer the entirety of "NWRA" ever again. The amount of uncritical, fawning interviews with Smith is also a bit sickening. I do still have a soft spot for some of the tunes, but I can't be bothered to dig out what few CDs and tapes I've got by them, let alone check out any of their stuff from this millennium.
Also, Blaggers ITA - I used to see them live and loved them when I was 17, but they seem wedged in that period - "It's Up To You" is still enjoyable, but a lot of the rapping bits just make me cringe now. Their anti-bonehead stance was the main appeal and one of their best assets, though.
I also feel indifferent about 2-Tone, for a lot of reasons, not least the fact that as soon as any documentary focuses on the Brixton riots or Thatcher, you know it's odds-on that "Ghost Town" is coming up. Also, I find the second side of the first Specials album really irritating now, again for various reasons which I won't go into here...