The "Pergo" (a brand, but often used generically for artificial laminate flooring) stuff is fantastic. I'm going to be replacing the flooring in my house with it. My buddy put some in his house, and I helped him do some of it just so I could learn how it's done. He used the older tongue & groove stuff, but nearly everything today is the snap-together, which is easier and stronger.
He has a dog that I was sure would destroy that floor, as it would certainly have destroyed a real wood floor. Two years later, and the floor looks pristine, and you can't even see the wear areas or the spots where the dog "peels out" around the corners. I honestly didn't think stuff could be made that well.
And, the nice thing is that these floors are floated, so if you want to replace it in 10 years, you just remove the trim around the edges, pick it up, and carry it off. No glue to remove or anything.
-Troy