The global economy may not be robust, but the PC and chip sectors are hoping to gain some ground with the help of Microsoft's Windows 7 OS, which will start shipping on Thursday. After widespread disappointment with Windows Vista , there is a lot of interest in Windows 7 as consumers and enterprises look to upgrade aging hardware and software, analysts said. Demand for PCs with the OS could spike in the first few weeks, and the OS could play a role in driving professional PC purchases next y
