I found this image of a wooden card box that I really liked when we were still considering a winery as our potential venue. It would be gorgeous at a winery wedding, but might look strange in our ballroom setting. It was back to the drawing board.
Birdcage card boxes are quite popular and I think they are pretty to boot. Inexpensive versions are available from Save on Crafts and from Oriental Trading.
Glass card vases/bowls are also aesthetically pleasing.
Then I saw Nicole-Lynn's DIY card lantern at Seaside Smitten. I think we may have a winner. Here are some lanterns that I think would match the aesthetic of our wedding: