Vista Transformation Pack will replace many of the resources in Windows XP/Windows Server 2003.

It can change such things as
Boot screen
Welcome Screen / Logon Screen
New msstyles files (visual styles)
New desktop and file icons
New toolbar icons
Progress Dialogs
Sounds scheme
System Tray icons
New Wallpapers
Windows Media Player Skins
And much more

Fixed pre-configuration specifications to improve performance (Removed unstable applications from list)
-Fixed TrueTransparency’s stability (some settings in skin causing input hook problems)
-Fixed Visualtooltip configuration when user accidently deletes the configuration files in there
-Removed backup files’ status and put CPU model instead (obsolete checking)
-Updated system files’ status report to “Out of sync” and repairing system files information
-Updated user account configuration system for more subtle performance

What's New
-Added Gavatx's Vista Rainbar 4.3 (Slim) in place of Thoosje's Vista Sidebar
-Added large icon resizing option for high resolution monitors
-Added Personalization setup screen for configuring current user account before installation
-Added running ViStart, ViOrb and ViSplore to WindowBlinds and TrueTransparency's exclusion list (prevent stability issues)
-Added ViSplore project (Vista Glass Explorer for Windows XP/2003)
-Added Vista Drive Icon in place of Vista Windows Drive Icon
-Added Windows XP Service Pack 3 uxtheme patching compatibilities
-Fixed automate 3rd-party applications optimization requirements
-Fixed graphic driver detection issues in transformation package for cases that doesn't use the first slot of driver
-Fixed OS detection incompatibilities with Windows Vista
-Fixed possible errors when auto-configuring user account during installation without "Express Mode"
-Fixed Thoosje Sidebar's auto-configuration bug on some resolutions.
-Fixed uninstallation script to terminate newly added applications such as WinFlip, TrueTransparency, etc.
-Fixed Vista orb positioning in "System Properties" dialog
-Fixed WindowBlinds' installation detection bug in configure user account dialog
-Updated Aero Style's glass border for more visibility and less distortion for both WindowBlinds and TrueTransparency
-Updated AeroStyle's glass border in TrueTransparency to simulate "little-blurring-like" WindowBlinds
-Updated boot screen to traditional ones without Vista flag
-Updated configure user account's installed components and applications UI
-Updated "Glass" sounds scheme from Windows Vista's Ultimate Extras
-Updated installation branding bar image
-Updated TrueTransparency to version 0.9.4
-Updated ViOrb to version 1 (C++ re-written)
|-Added start orb's right click menu
|-Fixed hook recovery when explorer shell is reloaded
|-Fixed always on top visibility issues with some applications including ViStart
|-Updated start orb graphic to for all sides compatibilities
-Updated ViStart to version 2.0 build 3467
|-Added font customization feature in settings.xml
|-Added indexing file search support like Vista (you can search for extension with .ext)
|-Added "Reset Shell" in menu option to reload explorer along with ViStart
|-Added multi-DPI Support
|-Fixed Chinese characters issue with Recent Documents
|-Fixed hook recovery when explorer shell is reloaded
|-Fixed start menu's hooking reliability with full screen and resolution changes
|-Fixed strange ActiveX errors
-Updated Visual style's top taskbar background to have the same image as bottom's like Vista
-Updated WinFlip to version 0.50
-Updated wording in some areas for easier understanding
-Updated x64 operating systems compatibilities