If this is, in fact, true - it'll be a loss, definitely. Russ provides great insight into things and has a really good grasp on all things BlackBerry. And again if this is true, I'm pretty sure Russ isn't leaving the BB world anytime soon.
(And not to steal this thread [yes, I'm an ass, I guess], but I'm noticing some comments on BBCool, and want to let you folks know that we've got a contest going on right now asking our readers how they would improve our site. Three winning commenters will get a copy of Ascendo's DataVault. http://www.blackberrycool.com/2007/01/19/003314/