AV is PvP and PvP is another really great topic - separating PvE and PvP gear should happen again, and yes, Rated BGs should reward the best ilvl of all (like +6 compared to similar arena rating, just like the last 2 bosses).
On topic, I really like these changes!
If I don't have to spend a BIG portion of my gametime on mindless/boring grind I'm happy. And no wonder the "grind" word: it felt like meaningless work.