I think there's a dvd that comes with their latest cd. I watched it and it takes you thru much of the recording/production process. I watched it before I was a slut so I don't remember any of the equipment but there is a ton of it visible throughout the dvd.
Last time I was out at their studio their FOH/Studio Manager Jeff showed me the ELA M 251 that is used for most of Dave's vocals. I believe they also have a new production Telefunken 251 which is used as a back up and for "away" sessions so the main mic doesn't have to travel. Not sure about the pre or compressors, etc. Maybe a Neve? The console there is a Legacy. Anyway, hope that helps.
I'd like to put a "vocal chain" around Dave's neck (not that it would sound any different, as he kind of sings like he's being strangled), just so I wouldn't have to hear that m*the$f*ck$r any more. He definitely gets "most annoying singer" award from me.