Boy, this page brought me back. I must've made somewhere between 80-90 mixes in high school - some for me, some for friends (like wienerschnitzel - we would copy Rush albums and then put filler on the 2nd side), most for one particular girlfriend - and I've used quite a number of these in my day. For the record, my preferred brand of choice was, I believe, this one:
Edit: or maybe it was this one? Regardless, they seem to be missing those yellow/green/transparent Maxell ones, which sucked and were ugly but I kept buying them anyway.
Edit edit: no, they're not. Why did I think they had green on them? Memorex, Maxell, who knows.