Concept: “27 pieces exhumed from the depths of lavish graves, themed around skeletons, bones and skulls.”
Content: “Classes, items, companions, monsters and encounters created by sacrilegious mind.”
Writing: A variety of styles, all appropriate to their content
Art/design: Worth downloading just to check out the range of art and layouts
Usability: Complexity varies by entry but consistently easy to use

Concept: “What fervor and devotion you pledged to the unknown was only repaid with the mangling and warping of your anatomy.”
Content: A mutilation- and misgrowth-based class
Writing: A good mix of vivid characterization and crunch
Art/design: Restrained but effective typographical and visual work
Usability: Involves some darker-than-average themes