I am obsessed with edge painting (when color is applied to the edges of cards, invitations, books and so forth). It adds such a pop of colour/shine to design. I don't think I've seen a hologram-like effect though until this morning.
Stamp Business Card Love the idea of stamping the logo onto the black side of the business card. This is great for the fact every card is unique, and gives it a handmade feel. However, means extra time sitting there stamping away.
Rabbit Holes Unique Business Card_Here is a unique die cut business card designed by The Hungry Workshop for Rabbit Hole. The bright green font really pops against the busy background and you can even construct your own rabbit from the card.