How about some cool Vista addons. You know. Sidebars. Toolbars. Nifty gadgets. Icons. Anybody know some good ones?
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Sidebar Styler
Windows Sidebar Styler at Stanimir Stoyanov’s Blog
Stardocks Iconpackager which is good for easily changing icon sets.
Stardock.com - Your Edge In Software
CursorFX can be used to change mouse cursors
Stardock.com - Your Edge In Software
Rocketdock (free) or Objectdock (not free?) is a good Mac-like toolbar
RocketDock - About RocketDock
And if your feeling adventurous search for Vista Themes which will lead you to sites that have user created themes which replace Aero and do not use additional resources. Installing themes requires patching a few files, but it can be worth it.
Deviantart.com has some good stuff.