Windows Vista only: Like its XP-oriented predecessor nLite, vLite is a pre-installation utility that lets you decide which programs and components of Windows Vista are included when you go for a fresh install, allowing you to remove some of Vista’s more resource-heavy pieces and make custom DVDs or CDs to install that same slim Vista later. What’s more, vLite seems to allow you to pre-answer the typical setup questions, so you can install Vista unattended (and, it seems, without a Product Key handy). It’s not a tool for beginners, as many of the changes can’t be undone once the OS is in place, but for those who find themselves re-installing Vista frequently, it’s certainly a useful utility.
vLite is a free download for Windows Vista only. vLite