Windows 98, ME, Vista, 8
Tons of Server products that suck
But for each that sucks there are a ton that are great :
Windows 95, NT, XP, 7, Server 2003, 2008, 2012
Exchange Server, SQL Server, Sharepoint, ISA Server
XBox, Xbox 360
It's important to test new business models and related fields they may be able to compete in (search, mobile, etc.) but they won't win them all, they can't, else they will be balls deep in Anti-Trust suits again. Declaring the decline of the "empire" is horse shit.