When it comes to Windows Vista, there are bugs – and then there are bugs. There is no doubt that people will find glitches in Beta 2 of the oft-delayed operating system. The question is whether there are any show-stoppers. Microsoft has time to squish some bugs, but it needs to avoid any significant headaches, if it is to make its revised goal of finishing the code by November and launching the product in January. In the meantime, ExtremeTech tests Vista’s gaming performance.