This is the first GREAT system optimizer software i have ever seen. All in one. I dont know how bad or how good is the previous version of Ashampoo WinOptimizer. But, honestly with this new version of Ashampoo WinOptimizer 4.35, it works excellent. It gives you more than you want. For example, Visual Styler can make your windows lvista premium ike GLASS effect; System Benchmark can analysis your pc performance with other computers systems; Defrag 2 is a tool defragmenting faster than Windows defrag program and it does not takes load of your RAM to run it; File Wiper helps to removed those files forever from your systems, Startup Tuner helps you manage startup program registry (only load for current user or all windows user), Disk Cleaner is a great tool to remove all the rubbish from your pc, it works without any problem or risk. Other tools such as Diskspace Explorer, Internet Cleaner and Tuner, Porcess Manager, etc these tools are just extra. nothing helps your pc to be optimzed but just give you more info about your computer. IP Spam Blocker not use for Vista OS (doesnt means it doesnt work). The application interface is so attractive and now even support skin changes and easy to use. Tool tips are clear explained too. Overall, this is the best for windows optimizer software.