any computer store like compusa and staples has what you need.
even other stores too. you can usually score a spindle of blank 80 minute cdr's 50/or 100 for under 20 bucks. i buy all mine when i go to trade shows and always get the faceless ones too when i find em.
look at the pengo cdr's
HERE
i know what youre saying about looking the same on both sides. thats why as soon as they come out of my lite-on oven, i whip out the sharpie.
SD