This gadget is a digital variation to the default Analog Clock from Microsoft. You can add multiple clocks with different time zone and clock name.

This vista gadget displays the state of your laptop battery, and the remaining battery time if running on battery. The color changes when battery is low or critical.

 
This vista calculator gadget include a lots of options: Scientific notation display. Memory, Trigonometry and Copy/Paste functions. Active operator indicator. Keyboard shortcuts. Help. And many other qualities.