None, they have just been moving the options around since Office 95 and charging a fortune for training courses on how to find all yer options and settings again. Bain of my life tbh.
As for the rumour, never gonna happen, and tbh i don't think it will be good for gaming. You need independant gaming studios. its bad enough EA absorbing loads of companies. And i hate MS buying up software companies just to avoid paying patents etc etc. It's not good for the software industry, wouldn't be good for gaming neither.
It will be a sad day if someone as big as capcom get bought by MS. it would be just as bad if Sony done it too imho.
Anyway isn't the next DMC (4?) and dead rising 2 PS3 exclusives?
Would be funny if that is contracted in, Microsoft game studios appearing when booting a PS3 game disk.