Blizzard tracker: Dec 10, 2012
Two quick things:
1) We're looking to redesign how the Reflects Damage affix works, as well as make it so that pet damage will no longer reflect back on the player. I went into a bit more detail here. (I believe the buff while active will have some sort of visual indicator, too.)
2) After seeing a number of posts from players about RD dealing what they felt to be TOO much damage (especially from minions), we did some additional testing and discovered that Rare minions with the affix were in fact doing more damage than intended. This is an issue we have scheduled to fix in an upcoming patch.
I'm not sure if these points would change your opinions at all on the subject, but I felt the information was worth pointing out. :)