DIADL is very well received at the time and while it's still a great record today, it is vastly outshined by the latest one. In every way from production, to songwriting. That said, it's still a great album worth listening to. If you like it, check Theories of Flight next as it's a somewhat similar in direction but improved in every single way and it has a lot more ambience to it even without a keyboard player and has a superior pacing as well.
If you're looking into more metal-oriented FW sound, look at albums like No Exit, pretty much anything pre-Parallels.