REI-Outlet offers the GoPro HD HERO4 Silver Edition 1080p Action Camcorder, model no. CHDHY-401, for $399.99. Coupon code "OUT20" cuts it to $318.99. With free shipping, that's $11 under our mention from two weeks ago and the lowest total price we've seen. (It's a current low by $31; most stores charge $400.) It features up to 1080p video recording, up to 12-megapixel photos at 60 fps, waterproof housing (up to 131 feet), WiFi, and Bluetooth. Deal ends September 7.