If (as seems to be the case) the OzTiVo guide doesn't label a show as first-run or repeat, would the following method be a start to making this distinction available?

If a program is shown at prime time (starting between 7 and 11 pm) and a show with the same name and duration is shown on the next or following day on the same channel in non-prime time, label the prime-time showing as first-run. Of course this algorithm will label as first-run repeats of shows that were previously shown months earlier, but it would be a start, and would save users interested to record only First-run showings from having to eliminate repeats on the To Do list or the Now Showing list.

Just a thought.