Newegg offers the Rosewill Brother TN450-Compatible Black Toner Cartridge 2-Pack, model no. RTCS-TN450, for $24 with free shipping. That's a buck under our April mention and the lowest total price we've seen for this 2-pack. (It's also a current price low for two cartridges by $26.) Each cartridge yields up to 2,600 pages.