DVD-R(4.38gb) - 0.22c each; that's 0.05c/1gb. Blu-ray(25gb) - $3 each; that's 0.12/1gb [plus $5 for jewel cases] http://www.jr.com/memorex/pe/MEM_BDR25_SL_15/ [375gb/pack] simply not worth it as a 1tb HDD goes for $99. plus ifcourse cost of the drive.