Carnegie's has always been my fave for traditional. I've included 2 links: one is from Carnegie's and the other from epicurious. The comments from epicurious explain why it just may be better than the one posted at Carnegie's. However, I make the one from Carnegie's.
http://www.carnegiedeli.com/recipe.phphttp://www.epicurious.com/recipes/member/views/CARNEGIE-DELI-NEW-YORK-CHEESECAKE-1238594 