This is one of the greatest albums I've ever heard in my life.
First 4 tracks are amazing, I'd also recommend Noose and I Bleed.
Another one of my most favorite albums, both bands that I've posted so far are Norwegian. So man great tracks on this one. If you like it, check out the album "Isolate" by the same band, their 3rd and fourth albums are good too, but not quite as great as their debut and follow up.
Great band, American, but the lead singer(and the one before him who's featured on this album) are: you guessed it, Norwegian... not every band from Norway are Black Metal and you will find alot of the best Metal of the last 20 or so years has come from Scandinavia.
This is a great list of Power Metal tracks that got me started in the genre.
This is my Progressive Metal playlist. Check it out if you liked the first couple of albums I posted.