I think in terms of Pain of Salvation, the audience they didn't kill off with Scarsick, they killed off with the Road Salt albums. Okay, quality aside, because it's not like those albums are awful, I think there has been a general decline in interest when it comes to PoS, and I think it's partly because of their new direction, but also because of the loss of all the members except for Daniel. It's basically a completely different band now than the band who made classics like The Perfect Element, Remedy Lane and BE.
But yeah he's had some health problems and PoS has been stone dead since RS2 came out. There's an acoustic album in the works, but who knows when that will come out. I think the one thing that would ignite people's passion would be something like a The Perfect Element Part 3 with a return to the more classic PoS sound. The 70s thing is just not very interesting, and a lot of bands are doing the same thing better.