Dear Blizzard,
Firstly, great job on current D4 concept! I feel you deserve more positive feedback, I loved what i have seen. Some people may desire overcomplicated systems from past decades which only give illusion of choice while in the end they boil down to attack and defense. I am glad you can separate important affixes from less important stats.
As i understand gear, runes and talents are three intertwined systems of character customisation that are currently planned. As many mention I very much hope runes will allow for more than just simple combinations showcased during Blizzcon. Regarding lesser number of gearslots, I believe if each character could have its own, extra slot (barbarian for example has extra slots) for his specific class (druid - totem, sorceres - orb) this would be very thematic and would add extra slot to play around with.
Please dont get discouraged by some of the less constructive criticism. I like all concept…except MICROTRANSACTIONS!!!