I agree with everything Detective wrote, even the individual song analysis is pretty much the same.
I would only add that now I think When All Is Lost is seriously overrated. I mean, the lyrics are one of the worst on the album and the vocal melody of the start - that repeats over and over throughout the song - isn't that great either.
But the major impact on the album, especially in the first listenings, is that WAIL resembles past SX songs. Being different of the majority of the album, it creates this impression, but after repeated listenings and comparing to older stuff like On the Edge of Forever, Winter's Dream, Candlelight, Accolade II or Awakenings, it doesn't feel that good anymore.
Besides that, although the keyboards were more present, I think overall PL is a better album than Iconoclast.