that's quite the debate actually...everyone feels differently
i've found 2 main things
1) cd-r's with labels on the (i.e. some form of brand name) make less burn errors than those that look like a cd on both sides (i.e. with no labels)
2) the color on the bottom of the cd-r makes a difference in where a cd will play. i.e. i've found some cd players that will not read "blue" cd-rs versus green ones) (althouh this is only really noticeable with audio cd's and car and home audio cd players)
anywho..i go with 50 packs of memorex from walmart for 18 bucks...work great at most speeds and their cheap
