[Hellboy]

Well, perhaps this just me be a jerk, but I say let 'em stale! I hold the opinion that if the player can't put in enough effort ask for a delay by sending you an email, or posting in the forum, then letting them stale is just fine and dandy.

Also, I would say that setting deadlines based on what is convenient for you is also just fine, since so long as we have 24hrs to do our turn, we've had our opportunity to get the turns in. I'm sure w/ our globe spanning crews that no matter what deadline you set, it'll be 2am for someone somewhere.

All the above said, if someone requests a postponement in advance, or if there's some unique situation, I'm all for being tolerant and flexible and for you to use your judgement as host.