would you reject a firefox patch just because it was signed with a @microsoft.com email address? seems to me that runs counter to the ideals of foss. Let upstream decide if what they're getting is good software and if it is, it should go in no matter where it comes from.

"in fact, when I'm typing in a web form, I frequently find myself trying to use Vi shortcuts"

There's a cure for that ailment. There's a firefox addon called itsalltext that lets you assign a shortcut to text areas and edit them with the editor of your choosing. This response, of course, was written in vim ;)