Magic find and gold find will no longer be averaged in multiplayer games.
Monster health will now be a flat increase of 75% health (per player), regardless of the difficulty in multiplayer.
No more enrage timers on elites.
Elites will no longer heal to full health
They are increases the health of normal monsters (but increasing the drop of magic or rare items by a factor of four), and lowering the health of champions and rares to shrink the gap between them.
They are adjusting fire chains and shielding, and REMOVING Invulnerable Minions.
They want to make all items that drop be good, however this is not something they can fully do in 1.0.4. However weapons of ilvl 61 and 62 can now roll damage that extends all the way to top ilvl 63 weapons
To help with the dual-wielding and two-handers, they will be adding a new set of stronger affixes
Reducing repair costs of high-end items by 25%
Legendary changes will have its own blog post
MANY more blogs to come covering the buffing of unused skills, and big improvements to wd pets.