Once Bensley launches, Intel servers will not have a performance disadvantage,
Wrong. You're comparing Bensley to the 2.4GHz DC Rev E Opteron platform. AMD will have 2.8GHz DC Rev F parts when Bensley launches, with faster HT, etc.
As for MP, Tulsa will launch this year
Okay, and as everyone knows, Tulsa is a 175W F-ing netburst joke, so...