Here is a list of valuable blogs, shops, references and just about anything that is useful for cigar aficionados.
La Casa del Habano London (Ajay is THE reference for vintage Cuban cigars)
Cuban Cigar Website (THE reference site for ALL Cuban cigars releases Pre or Post revolution)
Flying Cigars (Nino is a friend, cigar nuts, Cuba lover and world traveler)
The Dirty Ashes (Art is a great collector, reviewer and a friend)