There's a few Image titles that I've picked up, but haven't started reading yet. Here's what I'm currently enjoying from Image, though:
Birthright
Black Magick
Black Science
Copperhead
Deadly Class
Descender
East of West
Eternal Empire
I Hate Fairyland
Lazarus
Manifest Destiny
Outcast
Paper Girls
Redneck
Regression
Saga
Seven to Eternity
Stray Bullets: Sunshine and Roses
Walking Dead
Wayward
The Wicked + The Divine