Mini Drives for Mini-CDs?

fist_187 asks: "i'm working on a semi-portable MP3 player project, and would like to include a CD-ROM drive in my setup, but a full size drive is a little bigger than I'd like. so, I thought about using a drive designed for mini-CDs...but I can't find any! I know that there are several MP3 portables that use mini-CDs, but does someone know where to find the drives themselves (preferably in a USB or IDE variety)? The only thing I've been able to find, after some searching, is the Imation RipGO!, but that's already a player... defeating the purpose of building from scratch in the first place. Does anyone have advice on where to look?"