http://www.linksysbycisco.com/US/en/products/PLK300
I bought these. No complaints. I have a cable modem and computer located upstairs, and a PS3 and Wii located in the basement (separated by a main level). I use PlayOn software on my PS3 and Netflix movies stream wonderfully - I usually pause it for a minute or two and then the entire movie plays back flawlessly. I don't play too many games online but Street Fighter IV seems to work good.