"Now here's a thought: In all the debate over Longhorn versus Linux 2.6--or, as I like to pose it, vaporware vs. 'Red Hat Fedora is running on my desktop right now'--has anyone ever considered that legacy Windows users might be better off running their applications on--drum roll, please--Linux?
"No, seriously. Microsoft is clearly pushing the idea of the 64-bit desktop, with AMD and Intel cheering them on, but guess what's missing from this ultimate desktop of 2006? Well according to Brian Marr, Microsoft's product manager for Windows 64-bit, you can kiss such client legacy subsystems as the OS/2 subsystem, the portable operating-system interface for Unix (POSIX), and oh yes, 16-bit Windows support goodbye..."