It's really no surprise that most major companies have been looked at and considered. It's still very important that this list was before they went for ABK.
May I ask, why? I just don't see it, or if this is the case, then almost any company is a perfect fit for MS.
Like we would actually have any idea what happened, in terms of e.g. MS backing off because of the price etc.
Shores up a lot of their portfolio holes. Strong Japanese presence, European PC devs, family friendly IP and catalog.