My new favs for Windows XP

[Ashwin]

I downloaded Thoosje Vista sidebar for XP today

http://www.thoosje.com/sidebar.html

Its really cool. I added three gadgets to my sidebar:
A clock,gmail notifier and the weather gadget.

Visit weather.com to get your location's unique zipcode and enter it in the gadget's preference.

http://www.weather.com/

Windows 7 sidebar for both XP and vista, here

http://www.thoosje.com/windows-7-sidebar-for-xp-and-vista.html

For more free tools, skins just visit

www.thoosje.com

Flock browser (based on Firefox 3.0)
Excellent browser which supports the latest add-ons too, (if they are compatible with FF 3.0)
This is actually a social networking browser with a sidepanel which opens when ypu login to twitter or facebook,etc.

Download here:

http://flock.com/

Add-ons can be downloaded and installed from the usual Mozilla add-ons site.

Try Rocketdock or stardock if you want a cool looking taskbar