try www.lwn.net // you may have to register with the site, but its worth it they have an excellent archive of news updates anouncements and more and even better they have a search section that is anything linux..
put Unix and Microsoft in the srearch and you should get back at least 500 found news clips, press releases, anouncements, reader letters some of which are excelent and informative etc etc...
ps it s easy to register, just user na me and paswd.. free!
moxxx68