The world's first plug & play autofocus webcam is now available. You can get the Creative Live! Cam Optia AF at Amazon.com, Buy.com, Frys.com, Newegg.com, Wal-Mart.com and us.creative.com for $129.99.
This will get you a good looking 2 megapixel (1,600x1,200) autofocus camera with stereo microphone, a headset and a bunch of software to play around with.
Check out Creative's product page, here.