Newegg offers the Rosewill 25GB 4x Blu-ray BD-R Media 50-Pack, model no. RCDM-10009, for $14.99. Apply coupon code "VISACHECKOUT" and pay via Visa Checkout to drop it to $13.49. With free shipping, that's $0.27 per disc, $12 below our mention from a year ago, and the lowest total price we've seen. Coupon ends October 31.
Note: The coupon is limited to one use per account.