Supply chain vendors are apparently very unhappy about Windows 8. Per Business Insider, it seems that Topeka Capital analyst Brian White has been visiting with Asian supply chain manufacturers and has found that they have “overwhelmingly negative” feelings about Microsoft’s soon-to-be-launched operating system. To make things worse, one of White’s supply chain sources said that Windows 8 will not have any significant market impact “until the second-half of 2013.” All of these factors lead White to project that “the PC industry is headed for a muted December quarter and well below the ramp expected with new products.” Read the full story at Boy Genius Report.