Space150's version 23 brand identity is pretty damn slick. Printed by Beast Pieces.
Space150's v23 Slick Black Business Card
Similar Designs:
Space150's v27 Metallic Business Cards
Space150's v21 Business Card
EdgeBoard's Minimalist Business Card & Branding
Space150's v20 Die Cut Business Card
Beast Pieces' Die Cut Business Card 
Space 150's v16 Business Card
Space 150′s v17 LetterPress Business Card
Beast Pieces' Die Cut Business Card for Zing Consulting
Maaemo's Cool Business Card & Brand Identity