I am a bit of a digital pack-rat. I buy fairly large disks for my machines, then never upgrade. I hate moving computer almost as much as I hate moving house. I am constantly at or near the limits of my disks. This usually isn't a problem, but it's presented a unique challenge for audiobooks. I found out that I rather enjoy them, but I don't really have the disk space for them. I have, however, found a work around. I convert them to Opus/Ogg at 16 kb/s. My phone speakers render this acceptably...