When D3 came out, the WD was my first char.
But i switched to DH and then to Barb, because i couldnt play the WD as i wanted.
Now, with some patches and some skill changes, i wanted to give my old WD another chance.
I geared him up in a 15mill challenge. Maybe i could get more for my money, but i did it rather quickly!
Attack speed isn't an ideal stat for WDs because we tend to be limited by mana. Attacking faster only makes us run out of mana faster. It's not a bad stat, but int, crit chance and crit damage are more important.
Look for rings, an amulet and gloves which have int and dual crit (crit chance + crit damage), and possibly vit and/or all resists additionally. Also look for a helm with crit. Lastly, look for an additional 12% movement speed to bring you up to 24% (the limit is 25%). Lacuni prowler bracers are common for this, but since you don't have the zuni set you could also use a tyrael's might. I believe there's a ring and an amulet with it as well.
I would suggest using zombie charger + bears for your main damage dealer instead of acid cloud.