As reported by Microsoft, you can easily acquire new computers with Windows 7, as any of them will be able to work under Windows and 8, scheduled for 2012.
Gathering operating system software giant will retain the current hardware requirements for PCs, or even seeks less powerful configuration. Minimum requirements for Windows 7 include a 1-GHz processor, 1 GB or 2 GB of RAM for a 32 - or 64-bit systems, respectively, 16 or 20 GB ...