Still excluding the tax savings they still overpaid by all accounts, have a long history of wildly good and bad acquisitions and need to give wp7 every advantage they can. There's no way you can rule Microsoft out at this point they've got to be one of the front runners.
They already seem to have a good WP7 relationship (Bejeweled Live is actually written by them, as opposed to EA Mobile [moderately rare for small platforms], and PvZ just came out last week). Make of that what you will.
Still excluding the tax savings they still overpaid by all accounts, have a long history of wildly good and bad acquisitions and need to give wp7 every advantage they can. There's no way you can rule Microsoft out at this point they've got to be one of the front runners.