Current setup is COMCAST cable w/ Motorola modem (no wireless capability) and MacMini. I want to buy Mom an ATV so can watch Netflix streaming shows on a TV monitor across the room. Do I need to buy a router (for the wireless connection), and would the Airport Express work? Or can the MacMini provide a wireless connection to the ATV? Price is a consideration, but more so ease of use for my Mom in terms of setup and minimal issues and need to "go back into settings". Thus, Apple products preferred since she can deal with one "help desk". Thanks so much.