I liked Pulp Fiction but I didn't care for Sin City. I didn't think they pulled the plot lines together well at all, it felt as if it was an afterthought. I did find the character of Marv compelling. Individually I liked the portrayal of several of the characters, but didn't feel the movie as a whole was pulled together.
Definitely "Pulp Fiction" meets "Kill Bill" in a graphic novel setting. Not for everyone's taste. However, I'm a fan of Miller, Rodriguez, and Tarantino and so found it fascinating how their works were blended together.
Well, it's a matter of individual taste. I was more interested in the visual style than the plot, which frankly, wasn't very strong to begin with. By no means a perfect film, but not all that bad either.