Yup, Transmetropolitan is good.
Astro City is worth checking out.
Atomic Robo is neat.
Afterlife With Archie is better than I thought it would be.
The Dark Tower series is really good.
Avoid Lumberjanes.

Also, for any comic fanatics out there, here is a book that I absolutely love.
It's so good.

Superhero: The Secret Origin of a Genre: