Amazon has the Logitech HD Webcam Pro 9000 for $59.99 shipped, originally priced at $99.99. This camera “gives you a breathtaking 50% higher video resolution than standard 1.3-megapixel webcams; also capture and email stunning photos, up to 8-megapixels, at the touch of a button.” Product page.
Feel free to move around when you’re on camera. You won’t have to change the webcam’s position or angle. Intelligent Face Tracking always keeps your face in the center of the video frame.