This is an excellent webcam, used it on Vista and WinXP works a treat. It was going for £50+ in PCWorld (now £24.99).
There have been mixed reviews on Ebuyer and Amazon, but as a whole it's favoured by the majority.
The Microsoft VX-6000 allows you to capture high definition video at 1.3 MegaPixels and still images at up to 5 MegaPixels. You won't have to worry about sending grainy looking photos or videos again.
* Microsoft Lifecam VX-6000
* High Definition Video (1.3 Megapixels)
* High Definition Photos (5 Megapixels)
* LifeCam Dashboard-easy video call access
* Automatic face tracking software
Further details here:-http://www.microsoft.com/hardware/digitalcommunication/ProductDetails.aspx?pid=002