PAPA: Professional/Amateur Pinball Association - Dedicated to promoting competitive pinball play worldwide. Hosts fantastic pinball tournaments in the Pittsburgh area - our own Crazy Levi took the PAPA C World Championship in 2015!
PinballReviews! - Another great review site. These guys have been reviewing pinball machines since the turn of the century. We don't always agree with them, but great perspective into what makes different pinball machines fun!
Modern Pinball NYC - Want to play pinball? Modern Pinball in New York City has dozens of games - play by the hour or all day long.
Silverball Museum - Want to play pinball on New Jersey's famed Asbury Park Boardwalk? Vintage and modern games, open all year long.
IFPA - The International Flipper Pinball Association is the world sanctioning body for competitive pinball.
Pinball! by Roger Sharpe - Our favorite pinball book of all time. Awesome photos of vintage games, and interviews and stories shedding light on pinball's history and innovators.