hm, but Valorum wasn't a Jedi ... the whole point was that "Sifo Dyas" should have been either Dooku or Qui-Gon, not another Jedi, we haven't seen, that is killed offscreen - make "mystery" where it is needed and remove where it is just confusing or dull.
I really dislike the concept "rule of two" - it should be more mysterious who, what and how many Sith / dark Jedi there are ... the Jedi Order doesn't have ALL the info and the things they "know" are/could be outdatet
the Sith should have "given" false data - like Palpatine did later to the Rebel Alliance ;-)
another point to take into consideration is this:
http://www.hollywoodreporter.com/heat-vision/deleted-jedi-line-redeemed-obi-653550
maybe it can be worked on - Yoda being a more strict and dictating master?