Final Build, need network adapter

[Wagnercino]

http://pcpartpicker.com/p/2mGpD, there is the build I've come up with the help of some kind people on here, I just need wifi. Any suggestions, I play online a lot so I want good wifi

 

[Cons29]

you wont be using wired connection?

 

[Wagnercino]

you wont be using wired connection?

Actually I will, is there a cheap reliable wifi adapter just for web browsing and streaming videos quickly, nothing too serious. Its just I dont want the cord always going across my house.