This looks like a good deal from play.com. It's a handy webcam - the Chicony TwinkleCam (Ignore the silly name) but if you buy one of these, you'll receive the second for free! This is very handy indeed, you could pass the second one on to friends or family members to enable you to video chat on the web. It's £14.99 for two from play.com.
Details: The Chicony TwinkleCam PC Camera is a USB CMOS Camera with 100k pixels, and features 30 fps Video Image at QVGA and Precise Focus Tuning. It is compatible with Windows 98SE/2000/ME/XP, and is ideal for Video Mail, Video Conference & Video Chatting. Also included are Video Impression v1.6 & Photo Impression v3.0, to enable you to create and edit your own video clips, and even to share them online!