Careful observers will note that the above option implements more of a Windows 2000 look than a Windows XP style. For maximum XP-ness, call in outside help: Stardock's WindowBlinds. This $20 utility lets you tweak just about every aspect of Windows' appearance or choose from hundreds of user-designed themes--including the aptly named Windows XP Style, a veritable doppelganger of XP's classic Luna theme complete with a big green Start button.