Apple vs. Microsoft
trends.google.com
trends.google.com
http://trends.google.com/websites?q=apple.com%2C+microsoft.c...
Spoiler, as opposed to searches microsoft.com continues to dominate apple.com in actual visits by some margin.
edit: it doesn't seem to return any traffic info for google.com, but the search results are explosive:
http://trends.google.com/trends?q=apple.com,+microsoft.com,+...