@Davïd I think serendipitous is a subset of random. I would call it redundant but not tautological.

My find-of-the-day, which was not especially random: LXX Exegesis and the Superscriptions of the Greek Psalter (2005). (Somewhat more serendipitous is the fact that I learned how to make links directly to PDFs on that site.)

Pretty much answers my question.

@Davïd (Replying to something six months old, sorry. Prompted by this question I was writing on C.SE. And before I ask - I did recently purchase Tov’s text criticism book and am completely fascinated; this may be explained somewhere in there I haven’t got to yet.) What caused the change between the mid-20th century and now?