DirectX 10.1, The Directx 10 extension that available download via Windows Vista Services Pack 1 Build 6001.16659. This is a huge improvement over of DirectX 10
The new features of DirectX 10.1 are :

Shading and texturing capabilities,
Anti-aliasing improvements, with tighter specifications
More information of DirectX 10.1 can be found in AMD-ATI’s whitepaper

However if [...]

Download DirectX 10 for Windows XP is available now. You can download it ( Directx 10 for XP ) as the alpha version is said to be working by some users. It is said to work for Windows XP and with directx 10 games and graphics card, they should be able to play [...]

Inorder to give your Windows XP a Vista-style look, you can either download the free themese or use Vista Transformation Pack
Vista themes are like skin on your default vista. These themes will make vista look amazing by providing different icons or wallpapers and yeah the sound and graphics effect.Windows Vista is growing everyday and [...]

Gaming has taken a big leap with Windows Vista and Directx10. Now even the in house games of windows comes with 3D support, not the least Games on Vista have their on explorer now.Yes you heard it right!!. Games when installed on windows either leave a shortcut on desktop or a link on program menu [...]