Stat caps, needed to make any game stop the power creep and allow for proper itemization, now to see random properties go the way of the dinosaur on legendary items to truly make them unique and great.
Also lower the power of legendary items to about 85% of the best rolled rare, but keep the affixes as being unique and only allow primary stat/class specific stats to change (if can be used by multiple classes). That way rares still are sought after.
There, I just fixed itemization.
I have to completely disagree on the legendary part. They tried making rares have a chance at being the best items, because on paper it sounded awesome to always be searching for an upgrade, even after you found your legendary.
In practice, the overwhelming majority hated it. Thus, patch 1.04 (which only kind of sort of not really helped, but kind of).
Legendaries are just that, LEGENDARY, they need to be able to compete with the best, or it just feels lame.