A set-top box that delivers streaming video from Netflix is now a reality. The Netflix Player is made by Roku, and retails for about $100. If you’ve got access to a broadband connection,  have a Netflix rental account, and own a Roku box and some cables, you’re good to go. Just not “go everywhere,” yet. Setup is simple, and–if you’ve got a solid broadband connection–picture quality is acceptable and streaming performance was almost entirely lag-free. Those looking for the HD video quality and polished