Using bright colors and hand drawn black lines around the furniture give this hotel room a very cool toon-like appearance.

This looks amazing

that would be freaky on first glance. it looks awesome in print but i dont know if i could stay there

It's all photoshop!

woah! that'd be interesting to do to a part of my house in the future.

That is so kewl! Reminds me of the cellshade effect I've seen used at times on Second Life builds too, hehe. Forseti Svarog even made a merry-go-round with a tutorial on how to do it, and a place called Taco (among others) had some great actual examples of this technique.

Easiest way is to upload a texture with a black frame for an outline, and map that onto whatever you're building!