Newegg.com has the Logitech C310 HD Webcam for a good price.

Pricegrabber Price : $44.04 ~ $49.99 Shipped

1. Newegg Price : $32.99 Shipped
2. Use coupon code EMCYTZT820 to get $3 off ( Exp : 10/13/11 )
Final Price : $29.99 Shipped