Microsoft's Windows Media Player Version 10, has gone RTM, with a build number of 3646, will be made officially downloadable from their Windows Media website tommorow, however for you keen people here is a link to it:
http://earth.prohosting.com/jcxpfile/wmp10.exe
here's a screenshot of it:
http://earth.prohosting.com/jcxpfile/wmp10.exe
here's a screenshot of it: