jdMorgan - 7:26 pm on Oct 8, 2010 (gmt 0)

And now, to further illustrate their QA program, they've apparently deployed another bingbot user-agent:

Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)

Note the addition of a semicolon following "bingbot/2.0".

Jim