I've searched around, and surprisingly I haven't seen anyone with the same specific question.
I have a user that wants to use the Alert functionality on a list, but only send 72 (or 48) hours prior to a date column in the list.
I could use a SPD workflow, but that disallows the possibility of letting users decide what items they want to be alerted on.
Also, a great way to modify the email text for just that list would also be great.
Thank you for your time!