Mike, learn the mv command and get used to terminal.
It can be very useful, for example, if you want to modify a file in the rockbox directory.
Its easier to type "open .rockbox" then to use oynx to show hidden directories.
Also rsync is the greatest way I found to transfer my music to my ipod.
Noah, you can, its just a pain. I use OS X quite a bit, and I still find it easy to just think of it as a pretty BSD with a horrible file manager.