Here are some links to official article pages written by the pros.
http://www.konami.com/yugioh/articles/
http://yugioh.tcgplayer.com/db/article_search_result.asp?report_type=Deck%20Strategy
New articles every non-holiday, non-weekend
http://www.konami.com/yugioh/articles/
http://yugioh.tcgplayer.com/db/article_search_result.asp?report_type=Deck%20Strategy
New articles every non-holiday, non-weekend