Here's an elegant table made from bike parts by MAKE Flickr pool member Delcruiser. It features a chain ring shelf handy for stowing magazines/books or maybe a kryptonite chain or two.
Bike part coffee table on Flickr - Link
Also - Check out these graceful seatings by Frida Ottemo Kallstrom - constructed from recycled bicycle parts:
Recycled Bicycle Furniture on Inhabitat - Link
Recycled Gears on Inhabitat - Link
Related:
Furniture made from bikes - Link