Listening to: The Iron Man 2 soundtrack. The best greatest hits comp that AC/DC never released (they haven't ever done one as far as I know).
Thanks all for the replies to the previous post. Definitely some good suggestions there for stuff to check out.
In the meantime, C42 is proving useful. I've already been reminded of half a dozen or so acts I had meant to check out at some point but forgotten, and found a few new ones to pursue as well. Back in the day I used to watch Juice TV until the wee small hours ("I'll just see what the next video is...."); I can see avoiding a return to that habit might be tricky.