I really don't understand this, at all. There's no reason for e-mail lists anymore. Anything "exclusive" will be online for everyone to see 30 seconds later. Don't tell me a time to come back later, don't tell me to check back anywhere ever period. If it's not done, don't bother me with it. If it is done, put it up.
Just put it on your website. Have JP and JR tweet it and fb status it. Everybody sees it directly at the source.
I'm annoyed at companies that don't know how to broadcast their messages correctly. /rant not solely directed at DT
EDIT: Just to clarify, I fucking love that we'll probably get a video series dedicated to who the new drummer is and the audition process, but I just don't like the delivery route.