Yeah, that's stupid when they use the same brickwalled mix for vinyl. I can name several other albums where they did that as well, or screwed up the mastering in some other way (Death Magnetic, Belus, Californication, and there is something wrong with the De-Loused mix as well but it doesn't look like it was actually the same mix as the clipped CD mix; however, the LPs of the other Mars Volta albums are fine).
And that's cool. Vinyl is definitely worth it when it's done right. I would definitely recommend the new Neurosis LPs Relapse just put out; Souls at Zero, which I just finished listening to, sounds incredible. I think I'm going to order Enemy of the Sun now.
and yeah, how could anyone get tired of Crimson