Gus Mastrapa (Freelance)
Even if you only click his retweets, follow Gus Mastrapa. He's like an aggregator for awesome, intelligent things on the internet. He's also one of the geekiest guys around.
Gus talks board games and books as often as he does gaming and music, and it's always edutaining. Mastrapa likes cool things, and he'll likely broaden your mind or help you discover something you didn't know you'd love.