Vista Glass Theme for Windows Vista

Here is the most transparent version of glass-type themes for Windows Vista that i have seen so far.
DOWNLOAD THEME | WEBSITE

FlyakiteOSX Theme for Windows XP

DOWNLOAD THEME | WEBSITE

Works on:

• Windows XP (Home, Pro, RTM, SP1, SP2, Corporate).
• Windows 2003 (Standard, Enterprise, Datacenter, Web, RTM, SP1).
• Windows Media Center Edition (2003, 2004, 2005).
• All Language Versions.

Does not work with 64 bit versions of Windows.

Aero Maxclear Theme for Windows Vista

WEBSITE | DOWNLOAD

To be able to use this theme you will need 2 things:
1. Uxtheme patch to enable themes in Vista.
2. Sidebar styler to be able to use sidebar theme.

Windows Vista Sidebar Styler

Download 32-bit version | Download 64-bit version | Website

Windows Sidebar Styler extend the current set of features of Windows Vista Sidebar by allowing users to customize its appearance and by providing a more powerful framework for building Gadgets and visualizing information.

Neo Vista Style for XP

DOWNLOAD THEME | WEBSITE