For the first time, Microsoft's <A HREF="http://news.zdnet.com/2100-1040_22-5398217.html?tag=zdnn.alert">Windows XP Media Center Edition</A> is supporting multiple tuners, meaning that consumers will be able to watch one channel while recording another or record two stations at once. The feature is one of several improvements Microsoft has made with Windows XP Media Center Edition 2005, an update that the company plans to announce next week.