So why don't you do that?Release dates for episode 4:
Diamond, Platinum and Gold members: Wednesday February 2nd.
Master members: Monday February 14th.
Silver members: Sunday February 20th.
Bronze members: Friday February 25th.
Supporters: Monday March 7th.
Public: Tuesday March 22nd
I am baffled how personalization of downloads seems to be effectively working out for the dev. If you think about it: all you need is to diff two personalized copies and you'll get a string to replace to have an anonymous version.