Okay, I said I was going to work on it in the weekend - I never said which weekend I meant
Well, now almost all XML related W3C technical reports that are not XML applications in their own are in the list. XSL and related technical reports too, together with non-W3C Relax NG.
We want input, we want contributions! If you have any resource to add, PM Alex Vincent or me or simply reply to this thread, we'll add it to the list.