Dorkland reccomends: DMZ, Doom Patrol, Transmetropolitan and Hellblazer. It wouldn't be worth the efort to reccomend either Sandman or Swamp Thing. Those are just givens.
Vertigo First Issues for Download
Now you can read the full first issues of the many Vertigo series that revolutionized comics! Follow the links below to download a PDF version of the first issue of these classic Vertigo series now collected in graphic novel form. When you visit the Graphic Novels section of VertigoComics.com, any graphic novel titles with a #1 icon (#1) will have a download of the ground-breaking first issue!