You like the vista style but may not like to upgrade to Windows Vista in near future then VistaMizer is for you.
With Vistamizer you can get the look of Vista for Windows XP, MCE or 2003. This program will modify around 380 files of windows including icons, pictures to give a vista style look. While installing you can select the files to modify and files not to modify. You can always roll back to your previous look by uninstalling the application.
It does not change the translation files of the system, so whatever language windows you have that will remain. Vistamizer if free to download.