Call me cliched but my favourite albums are the triptych and off these:
Dried Up, Tied and Dead To The World - Such a sexy track, and with Reznor vocals could've fitted on The Downward Spiral pretty well. Definitely a big "Fuck you" to those who think the NIN influence was a one way street.
Minute Of Decay - Great bassline, wonderful illustration of abject despair and made more poignant by the story from Long Road Out Of Hell.
The Man That You Fear - Absolutely beautiful and haunting, and resonates with me whenever I meet people who knew me a while ago when I was still Mr Sad Go Lucky Equal Opportunities Slut.
Mechanical Animals - Another great riff on this one, brilliant drums and of course Manson at the top of his game as he was in the tryptych.
User Friendly - Also very sexy, and the Vocodery bit makes my ears feel funny.
Coma White - David Bowie could've written this and it'd be widely praised as a classic along with Heroes.
In The Valley Of The Shadow Of Death - Manson's ballads are often underlooked by casual fans, and this is another example of a great one.
Coma Black - As is this. If anyone else (including the Rez as mentioned earlier and maybe excepting Nick Cave) sang "I kill myself to make everybody pay" we'd be laughing, but he really makes it count.
While I'd agree he has declined a bit of late, there's always a track or two can take me by surprise, like Devour, WOW or The Golden Age Of Grotesque (if that whole album had played on the dark cabaret, Tom Waits gone even more mental vibe of this track it'd be a career best).