Bored of Windows XP and antsy for Windows 7? With a couple of quick downloads you can get the look and feel of Microsoft's next OS, no clean install necessary.
Seven Remix XP is a free download that transforms the entire look of
your OS to be all-around 7-like. You get boot screens, logon screens,
screensaver, system theme, and loads of hacked resource files.Want to add Win 7 functionality to your XP box as well? Lifehacker can show you how to add Aero Shake, Aero Snap and Aero Peek utilities as well. Who needs to upgrade? [NiwradSoft via Lifehacker]
P.S. I too using Windows 7 on my laptop. It is very good OS, I have Beta Build 7000
Tip from gizmodo.com