On a similar note, #HumbleBundle has a mega-deal for #DungeonCrawlClassics: 75 books for $25. Totally bonkers.
#DCC isn't quite my thing, but I know a lot of people who love it and it's real solid old-school fantasy adventure with a heavy dose of gonzo.
If your response to "It uses a d30" is “What? How does that even work!? Must be _wild_!” then this will be right up your alley.