Thinking of going wielless,I have 3 desktop PCs and a PS3.Which router will best suit me?

Uploading and downloading movies on 1 PC, surfing the web on another, playing online games or watching MLB on the PS3. The cable speed is 12Mbps and 1Mbps upload. I never have all units running at the same time. What is the best wireless router for me. None of the PCs have wireless cards. So I guess I need 3 Toggles?