modular carpet tiles (Heaven Sent, $14 each; flor.com), which are relatively inexpensive and durable. If a truly disastrous spill leaves a stain, you can replace the individual tile, not the whole rug.
Great design using FLOR carpet tiles
Carpet Tiles... http://www.flor.com/ ?
‘WINGS’ BY BOLON
interface net effect carpet tile collection
New Home Floor Products & Interior Flooring Ideas
Bolon StudioTM: Wing, Bolon #finishes #flooring #carpets
Bolon woven vinyl flooring looks very cool!
Awesome 18x36 carpet tile. Considering this one for my office!
"Wing" by Bolon
Forbo Marmoleum Click. For kitchen floor. Goes right over the vinyl without adding too much height.
Forbo Flooring Systems - Product - Marmoleum Modular