Installed Windows XP, Parallels on Mac 10.5 Tech Spec :http://www.apple.com/macbook/specs.html I can't have a FullScreen (Alt+Enter) view for Windows XP in Parallels. Otherwise all the resolutions are avaialable in innerwindow. Found Vga adapter driver for windows is not available. hardware is: Intel GMA X3100 graphics processor with 144MB of DDR2 SDRAM shared with main memory thanks, Stefan