The Good and Bad in 64-bit Vista - Lab Notes by ExtremeTech: "If you're buying a computer this holiday season, you're very likely to end up with Windows Vista. Not just any version of Vista, a 64-bit version. For most people, that's actually good news because of better memory use and potentially improved performance. But it can cause a problem with certain applications -particularly if you're buying a laptop you'll need to connect to a Cisco VPN."