Holy shit, one of these lists where I see albums I listen to haha. Why that particular Trivium album? Also, the black album gets all the love, but I'll take And Justice For All over it every day of the week.
I really like the whole composition of In Waves. It really feels like it's telling a story and all the songs flow so well into one another. I generally prefer albums that are whole and not just a collections of songs or singles. In Waves is probably one of my favorite albums for it's cohesiveness.
And yeah black album is great but I think MoP is just bangers all the way through. If I want thrash metal I want Metallica and I don't want to slow down haha.