Wireless router "contamination" of sound?

I'm thinking about getting a laptop. If I do, I will be going wireless at home. I'm wondering if people have found that using a wireless router has affected the sound of their systems negatively. On the one hand, I think "there's already so much potentially negative stuff in the air; what's a little more?". On the other hand, as audiophiles, I know you understand the concern.

Thanks for your thoughts and experiences.