Several Taiwan based PC manufacturers have complained that Microsoft has excluded them from Windows 8 development.



From WinRumors:

The software giant has reportedly talked with Nvidia, Qualcomm, Texas Instruments, Intel and AMD to seek their participation in a special Integrated Development Program for Windows 8. DigiTimes reports that Microsoft has asked each Integrated Circuit (IC) vendor to invite two PC manufacturers for development and testing. The testing is for developing Windows 7 based tablet and slate PCs.

  Taiwan PC manufacturers excluded from Windows 8 development program