Full Windows Vista Support, new Disk Defragmenter, Vista skins, Visual Styler...
New in v5.x: Ability to restore mistakenly deleted files with the click of a mouse, new module for saving the arrangement of icons on your desktop, revamped Registry Optimizer module, improved Windows Vista support
enhanced one-click optimization, various other enhancements and bug fixes for earlier releases; Release Notes - Last Updated: 07.25.08 (v5.05)
New in v4.x: Full Windows Vista support, ability to adjust well over 450 Windows system settings,
completely rewritten Defragmenter (Vista 32-bit and 64-bit compatible), System Benchmark module,
Visual Styler module (with tons of settings and quick presets for many common applications), Process Manager, Windows logon and file system customization, updated graphical interface and user interface, new skins for Windows Vista, new updated SDK (software development kit), new graphical components and options for Disk Space Explorer, new exceptions rules assistant for Drive Cleaner; various other enhancements and bug fixes for earlier releases; Release Notes - Last Updated: 02.23.07 (v4.10)
Pros: Clean, easy-to-use interface, handy One-Click Optimization tool, tons of tweaks and configuration settings for Windows
Cons: Price tag's a bit on the high end, a few more tweaks than perhaps absolutely necessary
