Windows only: Ad-Aware, the hard-to-believe-it's-free spyware-cleaning app, has released a beta version that includes full support for Windows Vista and 64-bit platforms. Also included in the upcoming free version is a rootkit removal tool, faster update downloading, and an interface make-over that looks a bit more modern than the blue buttons long-time users are used to. All the ease-of-use and thoroughness that make Ad-Aware's current version part of our Lifehacker Pack of must-have downloads likely apply to this beta, as well. Ad-Aware Beta is a free download, requires a registration and email confirmation to grab.