In Re Nymex Shareholder Litigation, 2008 WL 3349067 (Del. Ch., July 29, 2008).

This short letter decision can be cited for the basic principle that one cost of asserting that a particular document will not be produced based on a claim of privilege is to prepare a timely privilege log, which in expedited litigation, as here, can mean within about 2 days of asserting the privilege.